Basu, S.K <br/><br/>
Questions and answers in environmental science   
by S K Basu and A K De 
 - Hyderabad  Universities Press  2005 
 - xi, 382p 
<br/><br/><label>ISBN: </label>9788173715471 
<br/><br/><label>Dewey Class. No.: </label>577  / P051