Kovalevsky v a (30 Ergebnisse)
Verlag: Spartan Books, 1968
- Hardcover
Anbieter: Basement Seller 101, Cincinnati, OH, USABasement Seller 101
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Gebraucht - Gut
EUR 3,52
EUR 4,28 VersandVersand innerhalb von USAAnzahl: 1 verfügbar
In den WarenkorbHardcover. Zustand: Very Good.
- Hardcover
- Erstausgabe
Anbieter: Cape Cod Booksellers, Yarmouth, MA, USACape Cod Booksellers
Verkäufer/-in kontaktierenVerkäufer/-in mit 4 SternenZustand: Gebraucht - Befriedigend
EUR 16,33
EUR 4,24 VersandVersand innerhalb von USAAnzahl: 1 verfügbar
Hard Cover. Zustand: Good+. No Jacket. First Edition. Springer-Verlag, 1980, First Edition, 8vo, 241 pages. Hardcover edition, no dust jacket, Ex-Libris, with usual markings, tape pull bottom of front board, else book in good+ condition. Size: 8vo - over 7¾" - 9¾" tall.
Verlag: Springer Verlag 1980, 1980
- Hardcover
- Erstausgabe
Anbieter: Tacoma Book Center, Tacoma, WA, USATacoma Book Center
Verkäufer/-in kontaktierenVerkäufer/-in mit 4 SternenZustand: Gebraucht
EUR 19,41
EUR 4,71 VersandVersand innerhalb von USAAnzahl: 1 verfügbar
ISBN 0-387-90440-9. Hardback. No Dustjacket. First Printing. Light edgewear, previous owner's name on front free endpaper, otherwise a Tight sound unmarked copy in Very Good condition.
Character Readers and Pattern Recognition
Kovalevsky, V. A.; Karpovich, A. M. (Translator); Leavitt, A. M. (Translator)
Verlag: Spartan Books, 1968
- Hardcover
Anbieter: George Cross Books, Lexington, MA, USAGeorge Cross Books
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenVerbandsmitglied: IOBA
Zustand: Gebraucht
EUR 29,10
EUR 3,43 VersandVersand innerhalb von USAAnzahl: 1 verfügbar
In den WarenkorbHardcover. Reprint edition. Near Fine/Very Good (15637) About fine in a lightly worn dust jacket, protected in a new mylar. 19 articles chronicling both early USSR character recognition machinery and theory. .
Modern Astrometry
Kovalevsky, Jean; Appenzeller, I. (EDT); Borner, G. (EDT); Harwit, M. (EDT); Kippenhahn, R. (EDT); Lequeux, J. (EDT); Strittmatter, P. A. (EDT); Trimble, V. (EDT)
Sprache: Englisch
Verlag: Springer, 2002
- Hardcover
Anbieter: GreatBookPrices, Columbia, MD, USAGreatBookPrices
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Neu
EUR 57,63
EUR 2,26 VersandVersand innerhalb von USAAnzahl: Mehr als 20 verfügbar
Zustand: New.
Modern Astrometry
Kovalevsky, Jean; Appenzeller, I. (EDT); Borner, G. (EDT); Harwit, M. (EDT); Kippenhahn, R. (EDT); Lequeux, J. (EDT); Strittmatter, P. A. (EDT); Trimble, V. (EDT)
Sprache: Englisch
Verlag: Springer, 2002
- Hardcover
Anbieter: GreatBookPrices, Columbia, MD, USAGreatBookPrices
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Gebraucht - Wie neu
EUR 60,46
EUR 2,26 VersandVersand innerhalb von USAAnzahl: Mehr als 20 verfügbar
Zustand: As New. Unread book in perfect condition.
- Softcover
Anbieter: California Books, Miami, FL, USACalifornia Books
Verkäufer/-in kontaktierenVerkäufer/-in mit 4 SternenZustand: Neu
EUR 63,53
Versand gratisVersand innerhalb von USAAnzahl: Mehr als 20 verfügbar
Zustand: New.
Groundwater Studies: An International Guide for Research and Practice (Studies & Reports in Hydrology)
R.H. Brown, A.A. Konoplyantsev, J. Ineson, V.S. Kovalevsky (editors)
Verlag: UNESCO, 1972
- Hardcover
Anbieter: Adagio Books, Longmont, CO, USAAdagio Books
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Gebraucht
EUR 39,70
EUR 3,85 VersandVersand innerhalb von USAAnzahl: 1 verfügbar
In den WarenkorbHardcover. An unmarked copy with heavy shelfwear including bumped corners and a light vertical crease on 3/4 of the front board. Board not broken, just creased. A record of data colected and the main results of hydrological studies undertaken from 1965-1975, as well as provides information on research techniques. Size: 7 1/2 x 1…0.
Verlag: Springer New York 1977, 1977
- Softcover
Anbieter: Antiquariat Thomas & Reinhard, Recklinghausen, NRW, DeutschlandAntiquariat Thomas & Reinhard
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Gebraucht
EUR 24,00
EUR 19,00 VersandVersand von Deutschland nach USAAnzahl: 1 verfügbar
In den WarenkorbFormat groß 8°, kartoniert, Ecken leicht berieben, 241 Seiten, kleines Fleckchen auf dme Vorderschnitt, dies ist ein regulär ausgesondertes Bibliotheksexemplar aus einer wissenschaftlichen Bibliothek, keine Markierungen / Anmerkungen, das Buch befindet sich in einem guten Zustand --- Hardcover, 241 pages, corners slightlyrubbed,… little dot on front cut, Lib.Ex., no marks, the book is in a good condition. Shipping to abroad insured with tracking number.
- Softcover
Anbieter: Ria Christie Collections, Uxbridge, Vereinigtes KönigreichRia Christie Collections
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Neu
EUR 60,95
EUR 13,96 VersandVersand von Vereinigtes Königreich nach USAAnzahl: Mehr als 20 verfügbar
Zustand: New. In.
- Softcover
Anbieter: Chiron Media, Wallingford, Vereinigtes KönigreichChiron Media
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Neu
EUR 57,32
EUR 18,05 VersandVersand von Vereinigtes Königreich nach USAAnzahl: 10 verfügbar
Paperback. Zustand: New.
Modern Astrometry
Kovalevsky, Jean; Appenzeller, I. (EDT); Borner, G. (EDT); Harwit, M. (EDT); Kippenhahn, R. (EDT); Lequeux, J. (EDT); Strittmatter, P. A. (EDT); Trimble, V. (EDT)
Sprache: Englisch
Verlag: Springer, 2002
- Hardcover
Anbieter: GreatBookPricesUK, Woodford Green, Vereinigtes KönigreichGreatBookPricesUK
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Neu
EUR 60,94
EUR 17,47 VersandVersand von Vereinigtes Königreich nach USAAnzahl: Mehr als 20 verfügbar
Zustand: New.
- Softcover
Anbieter: Books Puddle, New York, NY, USABooks Puddle
Verkäufer/-in kontaktierenVerkäufer/-in mit 4 SternenZustand: Neu
EUR 77,44
EUR 3,42 VersandVersand innerhalb von USAAnzahl: 4 verfügbar
Zustand: New. pp. 256.
Modern Astrometry
Kovalevsky, Jean; Appenzeller, I. (EDT); Borner, G. (EDT); Harwit, M. (EDT); Kippenhahn, R. (EDT); Lequeux, J. (EDT); Strittmatter, P. A. (EDT); Trimble, V. (EDT)
Sprache: Englisch
Verlag: Springer, 2002
- Hardcover
Anbieter: GreatBookPricesUK, Woodford Green, Vereinigtes KönigreichGreatBookPricesUK
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Gebraucht - Wie neu
EUR 67,08
EUR 17,47 VersandVersand von Vereinigtes Königreich nach USAAnzahl: 5 verfügbar
Zustand: As New. Unread book in perfect condition.
Verlag: Scientific Thought, Institute of Biology Ukraine SSR, 1990
- Softcover
Anbieter: Untje.com, Roeselare, BelgienUntje.com
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Gebraucht - Ausreichend
EUR 6,72
EUR 50,00 VersandVersand von Belgien nach USAAnzahl: 1 verfügbar
In den WarenkorbPaperback. Zustand: Fair. 127 p. Russian.
- Softcover
Anbieter: Antiquariat Kai Groß, Gleichen OT Bischhausen, DeutschlandAntiquariat Kai Groß
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Gebraucht
EUR 60,00
EUR 50,50 VersandVersand von Deutschland nach USAAnzahl: 1 verfügbar
XVIII,426 S., kt. 2, N. (Int.Astronomical Union).
- Softcover
Anbieter: AHA-BUCH GmbH, Einbeck, DeutschlandAHA-BUCH GmbH
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Neu
EUR 58,39
EUR 61,97 VersandVersand von Deutschland nach USAAnzahl: 1 verfügbar
Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - During the last twenty years the problem of pattern recognition (specifically, image recognition) has been studied intensively by many investigators, yet it is far from being solved. The number of publications increases yearly, but all the experiment…al results-with the possible exception of some dealing with recognition of printed characters-report a probability of error significantly higher than that reported for the same images by humans. It is widely agreed that ideally the recognition problem could be thought of as a problem in testing statistical hypotheses. However, in most applications the immediate use of even the simplest statistical device runs head on into grave computational difficulties, which cannot be eliminated by recourse to general theory. We must accept the fact that it is impossible to build a universal machine which can learn an arbitrary classification of multidimensional signals. Therefore the solution of the recognition problem must be based on a priori postulates (concerning the sets of signals to be recognized) that will narrow the set of possible classifications, i.e., the set of decision functions. This notion can be taken as the methodological basis for the approach adopted in this book.
- Softcover
Anbieter: Ria Christie Collections, Uxbridge, Vereinigtes KönigreichRia Christie Collections
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Neu
EUR 116,25
EUR 13,96 VersandVersand von Vereinigtes Königreich nach USAAnzahl: Mehr als 20 verfügbar
Zustand: New. In.
- Softcover
Anbieter: AHA-BUCH GmbH, Einbeck, DeutschlandAHA-BUCH GmbH
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Neu
EUR 114,36
EUR 63,37 VersandVersand von Deutschland nach USAAnzahl: 1 verfügbar
Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - The driving idea, in organizing this Symposium on 'Relativity in Celestial Mechanics . and Astrometry' was that, in recent years, the ac curacy of several Astrometric techniques has so much increased that re lativistic effects are no more marginally…mentioned in academic presen tations but have become an intrinsic part of the interpretation of all the positional data. Techniques such as V. L. B. I. , space probes, lunar lasers, etc . . . have greatly contributed to reduce the accuracy level to an angular equivalent of a few milliarc-seconds. HIPPARCOS will extend this trend to stellar astrometry and new proposals aim at gaining ano ther one or two orders of magnitude in observing precision. In paral lel, great progress has also been made in the theories of motion of ce lestial bodies and more rigourous treatments within the frame of general relativity become necessary. The definition of reference frames and of various coordinate times become also a major problem in the intercompa rison of observations produced by different methods. This Symposium gave to people using relativistic corrections in reducing their measurements or in constructing various theories of mo tion a chance to exchange their experience in the field and to confront it with theoreticians in general relativity. The Symposium was approved by the IAU in 1983 and it was organi zed by the Institute of Theoretical Astronomy of the USSR Academy of Sciences on May 28-31, 1985.
Character readers and pattern recognition. [theory of character recognition; problem of character recognition form point of view of mathematical statistics; Spontaneous character differentiation; On correlation method of recognition; On effect of number of indexes upon recognition reliability when determining A priori probability of occurrence of classes with an error; Experiments & calculations with use of machines; General purpose device for processing optical information by means of computers; Algorithm for recognition of typed symbols on basis of ideal reference standards; Calculation of mutual correlation matrix of ideal reference standards; Statistical research on reliability of a character reader with optical correlation; Designing]
Kovalevsky, V. A. [Arseny M. Karpovich, Albert M Leavitt; Institute of Modern Languages, Inc., Translation and Interpretation Division] [M I schlesinger, L D Aydanntsev, V F Sapegin, V I Rybak, L A Svyatogor, V K Yeliseyev, G L Gimel'farb, A S Barashko, Yu S Mazyra, K A Netrebenko, A G Semenovsky, V K Petrusenko, S V Konstantinov]
Verlag: New York : Spartan Books, 1968, 1968
- Hardcover
Anbieter: Joseph Valles - Books, Stockbridge, GA, USAJoseph Valles - Books
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Gebraucht - Sehr gut
EUR 58,23
EUR 14,52 VersandVersand innerhalb von USAAnzahl: 1 verfügbar
In den WarenkorbHardcover. Zustand: Fine. ix, 267 pp. ; illustrated with figures, photos and diagrams ; black cloth ; no dustjacket ; ex-lib, stamps, label, date due, pocket ; LCCN: 67-17216 ; Contents: The theory of character recognition -- The problem of character recognition form the point of view of mathematical statistics -- Spontaneous ch…aracter differentiation -- On the correlation method of recognition -- On the effect of the number of indexes upon recognition reliability when determining the A priori probability of occurrence of classes with an error -- Experiments and calculations with the use of machines -- General purpose device for processing optical information by means of computers -- Algorithm for the recognition of typed symbols on the basis of ideal reference standards -- Calculation of the mutual correlation matrix of ideal reference standards -- Statistical research on the reliability of a character reader with optical correlation -- Designing of character readers -- On the accuracy of the calculation of correlation factors by the optical method -- On the selection of averaged reference standard patterns -- Character readers and their components -- Some works by foreign authors in the field of recognizing standard print -- Correlation-type character reader with shift register (ChARS) -- Character reader based on the principles of optical correlation -- Recognition of handwritten characters by means of a servo scan -- Sequential action correlation type character reader -- Designing extremum position indicators for correlation character readers -- Calculating and designing code voltage converters with diode keys -- Triode tube indicators of instant of voltage increase. ; "The nineteen articles in this collection focus on [pattern recognition] problems and computer simulation of various algorithms and recognition systems. All aspects of character recognition circuits and readers described here were developed at the Institute of Cybernetics, Academy of Sciences of the Ukrainian SSR.These problems first arose when it became evident to Soviet researchers that it would be useful to handle original documents without any encoding.all the work is strictly based on mathematically substantial procedures and methods used in the development of actual equipment at the Institute." ; covers the mathematics of OCR software and beginnings of the OCR scanner ; FINE. Book.
- Softcover
- Print-on-Demand
Anbieter: Brook Bookstore On Demand, Napoli, NA, ItalienBrook Bookstore On Demand
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Neu
EUR 46,22
EUR 5,50 VersandVersand von Italien nach USAAnzahl: Mehr als 20 verfügbar
Zustand: new. Questo è un articolo print on demand.
- Softcover
- Print-on-Demand
Anbieter: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, DeutschlandBuchWeltWeit Ludwig Meier e.K.
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Neu
EUR 53,49
EUR 23,00 VersandVersand von Deutschland nach USAAnzahl: 2 verfügbar
Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -During the last twenty years the problem of pattern recognition (specifically, image recognition) has been studied intensively by many investigators, yet it is far from being solved. The number of publications increases yearly, but al…l the experimental results-with the possible exception of some dealing with recognition of printed characters-report a probability of error significantly higher than that reported for the same images by humans. It is widely agreed that ideally the recognition problem could be thought of as a problem in testing statistical hypotheses. However, in most applications the immediate use of even the simplest statistical device runs head on into grave computational difficulties, which cannot be eliminated by recourse to general theory. We must accept the fact that it is impossible to build a universal machine which can learn an arbitrary classification of multidimensional signals. Therefore the solution of the recognition problem must be based on a priori postulates (concerning the sets of signals to be recognized) that will narrow the set of possible classifications, i.e., the set of decision functions. This notion can be taken as the methodological basis for the approach adopted in this book. 256 pp. Englisch.
- Softcover
- Print-on-Demand
Anbieter: Majestic Books, Hounslow, Vereinigtes KönigreichMajestic Books
Verkäufer/-in kontaktierenVerkäufer/-in mit 4 SternenZustand: Neu
EUR 76,99
EUR 7,57 VersandVersand von Vereinigtes Königreich nach USAAnzahl: 4 verfügbar
Zustand: New. Print on Demand pp. 256 49:B&W 6.14 x 9.21 in or 234 x 156 mm (Royal 8vo) Perfect Bound on White w/Gloss Lam.
- Softcover
- Print-on-Demand
Anbieter: Biblios, frankfurt am main, HESSE, DeutschlandBiblios
Verkäufer/-in kontaktierenVerkäufer/-in mit 4 SternenZustand: Neu
EUR 79,72
EUR 9,95 VersandVersand von Deutschland nach USAAnzahl: 4 verfügbar
Zustand: New. PRINT ON DEMAND pp. 256.
- Softcover
- Print-on-Demand
Anbieter: moluna, Greven, Deutschlandmoluna
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Neu
EUR 48,37
EUR 48,99 VersandVersand von Deutschland nach USAAnzahl: Mehr als 20 verfügbar
Zustand: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. During the last twenty years the problem of pattern recognition (specifically, image recognition) has been studied intensively by many investigators, yet it is far from being solved. The number of publications increases… yearly, but all the experimental resu.
- Softcover
- Print-on-Demand
Anbieter: buchversandmimpf2000, Emtmannsberg, BAYE, Deutschlandbuchversandmimpf2000
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Neu
EUR 53,49
EUR 60,00 VersandVersand von Deutschland nach USAAnzahl: 1 verfügbar
Taschenbuch. Zustand: Neu. This item is printed on demand - Print on Demand Titel. Neuware -During the last twenty years the problem of pattern recognition (specifically, image recognition) has been studied intensively by many investigators, yet it is far from being solved. The number of publications increases yearly, but all th…e experimental results-with the possible exception of some dealing with recognition of printed characters-report a probability of error significantly higher than that reported for the same images by humans. It is widely agreed that ideally the recognition problem could be thought of as a problem in testing statistical hypotheses. However, in most applications the immediate use of even the simplest statistical device runs head on into grave computational difficulties, which cannot be eliminated by recourse to general theory. We must accept the fact that it is impossible to build a universal machine which can learn an arbitrary classification of multidimensional signals. Therefore the solution of the recognition problem must be based on a priori postulates (concerning the sets of signals to be recognized) that will narrow the set of possible classifications, i.e., the set of decision functions. This notion can be taken as the methodological basis for the approach adopted in this book.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 256 pp. Englisch.
- Softcover
- Print-on-Demand
Anbieter: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, DeutschlandBuchWeltWeit Ludwig Meier e.K.
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Neu
EUR 106,99
EUR 23,00 VersandVersand von Deutschland nach USAAnzahl: 2 verfügbar
Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The driving idea, in organizing this Symposium on 'Relativity in Celestial Mechanics . and Astrometry' was that, in recent years, the ac curacy of several Astrometric techniques has so much increased that re lativistic effects are no…more marginally mentioned in academic presen tations but have become an intrinsic part of the interpretation of all the positional data. Techniques such as V. L. B. I. , space probes, lunar lasers, etc . . . have greatly contributed to reduce the accuracy level to an angular equivalent of a few milliarc-seconds. HIPPARCOS will extend this trend to stellar astrometry and new proposals aim at gaining ano ther one or two orders of magnitude in observing precision. In paral lel, great progress has also been made in the theories of motion of ce lestial bodies and more rigourous treatments within the frame of general relativity become necessary. The definition of reference frames and of various coordinate times become also a major problem in the intercompa rison of observations produced by different methods. This Symposium gave to people using relativistic corrections in reducing their measurements or in constructing various theories of mo tion a chance to exchange their experience in the field and to confront it with theoreticians in general relativity. The Symposium was approved by the IAU in 1983 and it was organi zed by the Institute of Theoretical Astronomy of the USSR Academy of Sciences on May 28-31, 1985. 448 pp. Englisch.
- Softcover
- Print-on-Demand
Anbieter: moluna, Greven, Deutschlandmoluna
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Neu
EUR 92,27
EUR 48,99 VersandVersand von Deutschland nach USAAnzahl: Mehr als 20 verfügbar
Kartoniert / Broschiert. Zustand: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Proceedings of the 114th Symposium of the International Astronomical Union, held in Leningrad, USSR, May 28-31, 1985 The driving idea, in organizing this Symposium on Relativity in Celestial Mec…hanics . and Astrometry was that, in recent years, t.
Weitere Bilder- Softcover
- Print-on-Demand
Anbieter: preigu, Osnabrück, Deutschlandpreigu
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Neu
EUR 95,70
EUR 70,00 VersandVersand von Deutschland nach USAAnzahl: 5 verfügbar
Taschenbuch. Zustand: Neu. Relativity in Celestial Mechanics and Astrometry | High Precision Dynamical Theories and Observational Verifications | V. A. Brumberg (u. a.) | Taschenbuch | xviii | Englisch | 1986 | Springer Netherland | EAN 9789027721907 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 6…9121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu Print on Demand.
Sprache: Englisch
Verlag: Springer Netherlands, Springer Netherlands Feb 1986, 1986
- Softcover
- Print-on-Demand
Anbieter: buchversandmimpf2000, Emtmannsberg, BAYE, Deutschlandbuchversandmimpf2000
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Neu
EUR 106,99
EUR 60,00 VersandVersand von Deutschland nach USAAnzahl: 1 verfügbar
Taschenbuch. Zustand: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The driving idea, in organizing this Symposium on 'Relativity in Celestial Mechanics . and Astrometry' was that, in recent years, the ac curacy of several Astrometric techniques has so much increased that re lativistic effects are no more… marginally mentioned in academic presen tations but have become an intrinsic part of the interpretation of all the positional data. Techniques such as V. L. B. I. , space probes, lunar lasers, etc . . . have greatly contributed to reduce the accuracy level to an angular equivalent of a few milliarc-seconds. HIPPARCOS will extend this trend to stellar astrometry and new proposals aim at gaining ano ther one or two orders of magnitude in observing precision. In paral lel, great progress has also been made in the theories of motion of ce lestial bodies and more rigourous treatments within the frame of general relativity become necessary. The definition of reference frames and of various coordinate times become also a major problem in the intercompa rison of observations produced by different methods. This Symposium gave to people using relativistic corrections in reducing their measurements or in constructing various theories of mo tion a chance to exchange their experience in the field and to confront it with theoreticians in general relativity. The Symposium was approved by the IAU in 1983 and it was organi zed by the Institute of Theoretical Astronomy of the USSR Academy of Sciences on May 28-31, 1985.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 448 pp. Englisch.
