Sohal Harvinder S Ed. <br/><br/>
Environment and Biotechnology 

 - New Delhi   Ashish Publishing House India        1994 
 - vi,217p. Bib chapterwise  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography- Environment
<br/><br/><label>Dewey Class. No.: </label>U:(G:55), N4