G.E. Dalton <br/><br/>
Study of agricultural systems 

 - London  Allied  Science Publishers Ltd  1975 
 - 441p 
<br/><br/>G.E. Dalton: Study of agricultural systems.  London.  Allied  Science Publishers Ltd, 1975. 0-85334-640-2--(630.2DAL)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-85334-640-2 
<br/><br/><label>Dewey Class. No.: </label>630.2  / DAL