00563nam a22001577a 4500 8864 8864 0-7167-0680-6 304.2 E337 1970 Ehrlich, Paul R. 20205 Population resources environment : issues in human ecology / Paul R. Ehrlich [and] Anne H. Ehrlich. San Francisco : W.H. Freeman and Company, c1970. 383 p. : figs. and tables ; 26 cm. Includes bibliographical references, glossary and index. Human ecology. 20206 Ehrlich, Anne H. 20207 BK 0 0 0 0 NFIC HS-IMC HS-IMC CIR 0000-00-00 Purchased 304.2 E337 1970 01582 2019-07-08 00:00:00 2019-07-08 CIR