World Health Organization <br/><br/>
Ecology and control of vectors in Public Health 

 - Geneva  Who  1975 
 - 35 p.  HB  20 cm. 
 - world health organization technical report series no.561 .
<br/><br/><label>ISBN: </label>924120561X 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Public Health
<br/><br/><label>Dewey Class. No.: </label>614.43  / ECO