Basu, S. K. <br/><br/>
Questions and answers in environmental science  [Book] 
S. K. Basu. 
 -  Universities Press India 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>8173715475 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Sciences
<br/><br/><label>Dewey Class. No.: </label>333.7