Purohit, S.S.  . <br/><br/>
Environmental sciences: a new approach /  
by S.S. Purohit, Q.J. Shammi and A.K. Agrawal. 
 - Jodhpur :   Agrobios (India) ,   2012 
 - 397 p. :  
<br/><br/><label>ISBN: </label>81-7754-210-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science
<br/><br/><label>Dewey Class. No.: </label>G:55  / Q2