P.K. Gupta <br/><br/>
Methods in Environmental Analysis Water, Soil and Air 

 - Jodhpur  Agrobios (India)  2004 
 - 408p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>81-7754-055-6 
<br/><br/><label>Dewey Class. No.: </label>631.4  / GUP