Gupta, P. K. <br/><br/>
Methods in environmental analysis water, soil and air / 
P. K. Gupta. 
 - 2nd ed. 
 - Jodhpur:  Agrobios (India),  2012. 
 - 443p.; 22cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9788177543087 
<br/><br/><label>Dewey Class. No.: </label>333.7 GUP