Hardin, Garrett James, 1915-2003 Biology : Its principles and implications / Drawings by evan l. gillespie portrsits by Howard warshaw. - 2 - 771 páginas - A series of books in biology . Teachers manual, san francisco, w.h. freeman 1966 61 p. 23 cm. Subjects--Topical Terms: Biología LC Class. No.: QH308 / H2581966