VERMA S.P;AGARWALA V.K <br/><br/>
ENVIRONMENTAL BIOLOGY 

 - NEWDELHI  S.CHAND & CO-1  1998 
 - 591 
<br/><br/><label>ISBN: </label>9788121908597 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environ Biotech & Biotechnology
<br/><br/><label>Dewey Class. No.: </label>660.6