Proceedings Southern Weed Science Society  : 34th Annual Meeting Weed Science and/or Environmentalism : January 20, 21, 22, 1981 Dallas, Texas, U.S.A. 
/[Southern Weed Science Society] 
 - S.l.:  Southern Weed Science Society  , 1981 
 - 352 p.:  28 cm. 
 - SWSPBE  34 .
<br/><br/><label>Subjects--Index Terms: </label>Malezas Control de plagas