Aldrich, R.J. <br/><br/>
Weed- Crop Ecology :  principles in weed management / 
by R. J. Aldrich. 
 - Massachussetts :  Brenton,  1984. 
 - xiii,465 pages :  illustrations. 
<br/><br/> includes an index. 
<br/><br/><label>ISBN: </label>053402 8330 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weed Control.<br/>Weeds.<br/>Weeds--ecology.