Thompson, Louis M. and Troeh, Frederick R. <br/><br/>
Soils and fertility 

 - 4th ed. 
 - New Delhi  Tata mcgraw-hill  1957 
 - ix,516p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science
<br/><br/><label>Dewey Class. No.: </label>631.4  / THO