Murphy, Pat  <br/><br/>
Science matters   agriculture 

 - Keynes  The open university  1996 
 - 131p.  27cm 
<br/><br/><label>ISBN: </label>0749251034 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRICULTURE AND RELATED TECHNOLOGY
<br/><br/><label>Dewey Class. No.: </label>630  / SCI