Ehrlich, Paul R. <br/><br/>
Ecoscience : Population, Resources, Environment / 
by Paul R. Ehrlich, Anne H. Ehrlich, John P. Holdren 
 - San Francisco :    W. H. Freeman & Company ,  1977 
 - xv, 1051 p.:  graph, maps, illustrations .;  24 cm 
<br/><br/> First-2d ed. published under title: Population, resources, environment. 
<br/><br/>Includes bibliographical references and indexes (p.:1005 - 1051) 
<br/><br/><label>ISBN: </label>0716705672 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population<br/>Pollution.<br/>Human Ecology
<br/><br/><label>Dewey Class. No.: </label>301.32  / EHR 1977