Thompson,Louis M Troeh,Fredrick R <br/><br/>
Soils and Soil Fertility / 
by Louis M Thompson and Fredrick R Troeh 
 - 4th ed. 
 -  Tata McgrawHll,  1979. 
 - ix,516p. 
<br/><br/>1972. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil fertility	<br/>Soil science	<br/>Soils	
<br/><br/><label>Dewey Class. No.: </label>631.4	  / THO/S