Folley, R. R. W <br/><br/>
Intensive crop economic : an outliine of Principles of resource use management and marketing as adapted for historical crops 
R. R. W. Folley 
 - London  Heinemann Educational Books  1973 
 - ix,331p,; 23cm. 
<br/><br/><label>Dewey Class. No.: </label>581.6  / FOL