COLBERT,E. H Evolution of the vertebrates: a history of the backboned animals through time Edwin H. Colbert - 2nd ed. - New Delhi Wiley Eastern 1976 - xvi,535p. ISBN: 0 85226 125 X 21.00 Subjects--Topical Terms: VERTEBRATE EVOLUTION Dewey Class. No.: ZOO 591.38 / CEn76