Ashton Floyd,M.Thomas Monaco <br/><br/>
Weed Science-Principles & Practices 

 - 3rd 
 - New york  John Wiley & Sons.inc  1991 
 - x,466p. 
<br/><br/><label>ISBN: </label>471600849 
<br/><br/><label>Dewey Class. No.: </label>632.58