Basu, S.K. <br/><br/>
Questions and answers in environmental science 

 - Hyderabad  Universities press  2005 
 - xi, 381p. 
<br/><br/><label>ISBN: </label>81-7371-547-5 
<br/><br/><label>Subjects--Index Terms: </label>Environmental science-questions and answers 
<br/><br/><label>Universal Decimal Class. No.: </label>504(076.3)  / BAS