Weed management in agroecosystems    : ecological approaches 
/ editors Miguel A. Altieri, Matt Liebman 
 - Boca Raton, Florida:  CRC Press  , 1988 
 - 354 p.:  26 cm. 
<br/><br/><label>ISBN: </label>0-8493-6816-2 
<br/><br/><label>Subjects--Index Terms: </label>Malezas Control biológico Agroecosistemas