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

 - New Dilhi  Discovery Publishing  2004 
 - [vii],302p.  22cm 
<br/><br/><label>ISBN: </label>8171417566 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Biology
<br/><br/><label>Dewey Class. No.: </label>577  / YAD