Pearson, C.J.  <br/><br/>
Ecosystems of the world  field crop ecosystems 

 - Amsterdam  Elsevier Science  1992 
 - xiii,576p.  27cm 
<br/><br/><label>ISBN: </label>0444886753 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field and plantation crops<br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>633  / ECO