Dhatiwal, G.S.. <br/><br/>
Fundamentals of Environmental Science /  
by G.S. Dhatiwal; G.S. Sangha; P.K. Ralhan. 
 - /  
 - New Delhi :   Kalyani Publishers ,   1998 
 - 374p :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil and Water
<br/><br/><label>Dewey Class. No.: </label>G:55  / N8;1