Aldrich, R.J <br/><br/>
Weed-crop Ecology: Principles in Weed Management 

 - Massauchusetts  Breton Publishers  1984 
 - xiv, 465p 
<br/><br/><label>ISBN: </label>5.34028e+008 
<br/><br/><label>Universal Decimal Class. No.: </label>632.5