Integrated crop protection :  proceedings of a symposium held at Valence/France18-19 June, 1980 / 
edited by Gruggin. 
 - Rotterdam :  A. A. Balkema for the Commission of the European Communities,  1982. 
 - 407 p. ;  28 cm. 
<br/><br/><label>ISBN: </label>9061912296 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants, Protection of--Congresses.