Baruah, T.C. and Barthakur, H.P. <br/><br/>
A Text book of Soil Analysis 

 - New Delhi  Vikas Publishing House Pvt Ltd  1997 
 - 334 
<br/><br/><label>ISBN: </label>8125903666 
<br/><br/><label>Publisher. No.: </label> Gangaram Book Bureau 
<br/><br/><label>Subjects--Personal Names: </label> Environmental Science  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science