Proceedings  : environmental legislation and its effects on weed science 

 - Tulsa, Oklahoma :  The Society,  1988 
 - 477 p.  : ilus., gráfs. 
<br/><br/><label>LCCN: </label>64696 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Herbicidas.<br/>Malas hierbas--Control.<br/>Medio ambiente--Protección.
<br/><br/><label>Dewey Class. No.: </label>632.58  / S6 1988