Ehrlich, Paul R. <br/><br/>
Population resources environment  Paul R, EhrlicH. 
issues in human ecology 
 - Islamabad:   National Book Foundation,  1984. 
 - 383 p.  ill.   26 cm. 
<br/><br/> Includes Index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1.Population.2.Pollution.3.Human ecology.
<br/><br/><label>Dewey Class. No.: </label>301.3