Thompson, Louis M. <br/><br/>
Soils and soil fertility / 
Louis M. Thompson, Frederick R. Troeh 
 - 4th ed. 
 - New Delhi :  Tata McGraw-Hill Publishing Co. Ltd.,  1979 
 - ix, 516 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographies and indexes 
<br/><br/><label>ISBN: </label>0070996156