Thompson, L.M. Troeh, F.R. <br/><br/>
Soils and Soil Fertility 

 - 4th 
 - TATA McGRAW-HILL  New Delhi  1978 
 - 512p.  map 
<br/><br/><label>Nat. Bib. No.: </label>4908 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>631.45  / THO