Yadav, P.R. <br/><br/>
Environmental ecology 

 - New Delhi  Discovery Publishing   2004 
 - 356p. 
<br/><br/><label>ISBN: </label> 725 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biotechnology
<br/><br/><label>Dewey Class. No.: </label>545 YAD P