Natural pest control agents; a symposium... 

 - Washington,  1966 
 - 146 p 
 - Advances in chemistry series  ; 53 .
 - Advances in chemistry series  ; 53 .
<br/><br/><label>LCCN: </label>19262 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Control biológico de plagas.
<br/><br/><label>Dewey Class. No.: </label>632.96  / A5