Proceedings :   environmental legislation and its effects on weed science  / 
por Southern Weed Science Society 
 - Tulsa, Oklahoma  :   The Society 
 - 477 p. 
<br/><br/><label>LCCN: </label>201387 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Malas hierbas -- Control  Medio ambiente -- Protección  Herbicidas
<br/><br/><label>Dewey Class. No.: </label>PA 632.58 S6 1988