Proceedings / 
by Souther Weed Science Society 
 - Dallas, Texas :   The Society 
 - 464 p. 
<br/><br/><label>LCCN: </label>203349 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Malas hierbas -- congresos <br/>Malas hierbas -- control <br/>Malas hierbas -- ecología
<br/><br/><label>Dewey Class. No.: </label>PA 632.58 S6 1969