Carvajal Manuel J Ed. <br/><br/>
Population growth and human productivity 
Carvajal Manuel J Ed. 
 -  1976 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>27721 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Demography<br/> Over populations<br/>Human productivity
<br/><br/><label>Dewey Class. No.: </label>Y:52p1,N74, L6