Franke, Robert G. Man and the changing environment / Robert G. Franke and Dorothy N. Franke. - New York : Holt, Rinehart and Winston, [1975] - vi, 442 p. : ill. ; 25 cm. Includes bibliographies and index. ISBN: 0030847141 LCCN: 74030330 Subjects--Topical Terms: Biology.Ecology. LC Class. No.: QH308.2 / .F7 Dewey Class. No.: 574 / FRM 1975