Verlag: Geologica et Palaeontologica, Vol. 7, 1973, Pp. 207 - 212 + 1 plate/tafel., 1973
Anbieter: Eryops Books, Stephenville, TX, USA
Soft Cover. Zustand: Very Good. Reprint/offprint/Sonderdruck; softcovers; minor shelfwear w/ light creasing of corners of wraps and leaves; o/w in very good condition.