Proceedings of the vii International Symposium on Biological Control of Weeds:  La Grande Motte, France, 22-27 April 1990 / 
edited by Ernest S. Delfosse 
 - Wallingford ;  Cambridge, MA :  CABI  c1990 
 - xxi, 701 pages :  illustrations, maps (some col.) ;  31 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0643051007 9781845935023 (pbk. ed.) 
<br/><br/><label>LCCN: </label>2009275907 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weeds--Biological control--Congresses.
<br/><br/><label>LC Class. No.: </label>SB 611.5  / .P76 1988