Hawkes J S Ed. <br/><br/>
Conservation and agriculture 

 - London  Gerald Duckworth        1978 
 - xvi,284p  cm. 
<br/><br/><label>Standard No.: </label>34997 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X9(J)p1,N76, L8