Ehrlich, Paul R. <br/><br/>
Population resources environment :  issues in human ecology / 
[by] Paul R. Ehrlich [and] Anne H. Ehrlich. 
 - San Francisco,  W. H. Freeman  [1970] 
 - 383 p.;  illus.  26 cm. 
 - A Series of books in biology .
<br/><br/>The Crisis (Page-1), Number Of People (Page-5), Population Structure And Projection (Page-25), The Limits Of The Earth (Page-51), Food Production (Page-81), Environmental Threats To Man (Page-117), Ecosystems In Jeopardy (Page-157), Optimum Population And Human Biology (Page-199), Birth Control (Page-211), Family Planning And Population Control (Page-233), Social, Political And Economic Change (Page-259), The International Scene (Page-295), Conclusion (Page-321). 
<br/><br/><label>ISBN: </label>0716706806 
<br/><br/><label>LCCN: </label>75103067 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology.<br/>Pollution.<br/>Population.
<br/><br/><label>Dewey Class. No.: </label>333.7,HER