Ehrlich, Paul R. The population explosion / Paul R. Ehrlich and Anne H. Ehrlich - New York : Touchstone books, c1990. - iv, 320 p. ; ill. ; 23 cm. Includes index. ISBN: 0671689843 LCCN: Subjects--Topical Terms: PopulationHuman ecology LC Class. No.: HB871 / .E33 1990 Dewey Class. No.: 304.6 / E33p