Biological control of weeds:  a world catalogue of agents and their target weeds 
ed. M. H. Julien 
 - 2a 
 - x, 147 p. 
<br/><br/><label>ISBN: </label>0851985955 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Malas hierbas--control biológico<br/>Malezas--control biológico
<br/><br/><label>Dewey Class. No.: </label>632.5  / BIO 1987