Das, Dilip Kumar. <br/><br/>
Introductory soil science/ 
Dilip Kumar Das 
 - 3rd ed. 
 - Ludhiana:  Kalyani Publishers,  2009. 
 - 493 p. :  ill. 
<br/><br/><label>ISBN: </label>9788127267483 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science
<br/><br/><label>Dewey Class. No.: </label>631.4  / DAS/I