Pough, F. Harvey Vertebrate life / F. Harvey Pough, John B. Heiser, William N. McFarland. - 4th ed. - Englewood Cliffs, N.J. : Prentice-Hall, 1996. - xvii, 798 p. : ill. ; 25 cm. ISBN: 0132287277 Hadiah Subjects--Topical Terms: VertebratesVertebrates, Fossil