World Health Organization <br/><br/>
Specifications for pesticides used in public health: insecticideses-redenticides-molluscicides-respellents-methods  World Health Organization Geneva. 

 - 5th ed. 
 - Geneva  World Health Organization  1979 
 - 327p., 24cm. 
<br/><br/><label>ISBN: </label>92-4151407. 
<br/><br/><label>Dewey Class. No.: </label>632.95042,  / W84S