Innis, Donald Q.  <br/><br/>
Intercropping and the scientific basis of traditional  agriculture / 
Donald Q. Innis. 
 - London :  Intermediate Technology,  c1997. 
 - 179 p. :  ill. 
<br/><br/><label>ISBN: </label>1853393282 9781853393280 
<br/><br/><label>Dewey Class. No.: </label>631.58