Ashton, Floyd M <br/><br/>
Weed science  principles and practices 

 - 3rd ed. 
 - New York  John Wiley  1991 
 - 466 p. 
<br/><br/><label>ISBN: </label>0471600849 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weeds
<br/><br/><label>Dewey Class. No.: </label>632.58  / ASH