Proceedings of the Fifth International Symposium on Biological Control of Weeds, July 1980/ 
E.S. Del Fosse, editor. 
 - Victoria, Australia:  Commonwealth Scientific and Industrial Research Organization,  1981. 
 - 649 pages:    ill. ;   26cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0643028374 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weeds--Biological control--Congresses.