Metcalf ,Robert L <br/><br/>
The future for insecticides:needs and prospects  Proceedings of a rockefeller foundation conference Bellagio , Ilaly , april 22 - 27 , 1974 
Robert L metcalf and John J mcKelvey 
 - New York  John wiley & sons  c1976 
 - xiv , 524p. 
<br/><br/><label>ISBN: </label>0471598607 
<br/><br/><label>Subjects--Index Terms: </label>Insecticides 
<br/><br/><label>Dewey Class. No.: </label>668.651  / MET