Thompson, Louis M; Troeh, Frederick <br/><br/>
Soils and soil fertility 

 - 3 
 -  TATA McGraw-Hill Publishing Co., Ltd., New Delhi  1975 
 - 495 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science; Agriculture
<br/><br/><label>Dewey Class. No.: </label>PG 631.4  THO-S3