Ehrlick, Paul R; Ehrlick, Anne H. <br/><br/>
Population resources environmental issues in human ecology. 

 - San Francisco :  Freeman and Co.,  1970. 
<br/><br/> This book gives a detailed analysis of the world wide census of over population and the resulting demands on food, resources and the environment. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population.<br/>Population Censuses -- Population distribution//Population dynamics/.--Population Censuses -- Population distribution//Population dynamics/.