Lucas, Spencer G. Dinosaurs / Spencer G. Lucas - 2nd ed. - London : c1997. - xxiii, 280 p. : ill., maps. ; 28 cm. ISBN: 0072528052 LCCN: Subjects--Topical Terms: Dinosaurs LC Class. No.: QE861.4 / .L94 1997 Dewey Class. No.: 567.9 / L933d