Yadav, P R <br/><br/>
Environmental ecology / 
by P R Yadav and Shubhrata R Mishra 
 - New Delhi :  Discovery publishing house,  2004. 
 - 356p. : 
<br/><br/><label>ISBN: </label>8171417531 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>574.5222  / YAD/E