Aldrich, R. J.  <br/><br/>
Weed-crop ecology :  R. J. Aldrich. 
principles in weed management / 
 - Massachusetts :  Breton Publishers,   c 1984. 
 - xiii, 465 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>327  327 
<br/><br/><label>ISBN: </label>0-534-02833-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weed --ecology.
<br/><br/><label>Dewey Class. No.: </label>632.58 / A24w