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

 - London  Applied Science Pub.  1975 
 - xiv,441p   
<br/><br/><label>ISBN: </label>0853346402 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>630  / STU