Verma K K <br/><br/>
Culture ecology and population 
Verma K K 
 - New Delhi  National Publishing       1977 
 - xii220p  cm. 
<br/><br/><label>Standard No.: </label>53872 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Y:5.273'N7, L7