Soil Chemistry / 
Daniel G. Strawn , Hinrich L. Bohn , George A O'Connor . 
 - 4th ed. 
 - Chennai , India :  John Wiley & Sons ,  2015. 
 - x,375 p.;  ill,; 
<br/><br/><label>ISBN: </label>9781118629239 
<br/><br/><label>LC Class. No.: </label>S592.5  / .S87 2015