Herms, William B.  1876-1949, <br/><br/>
Mosquito control :  Practical methods for abatement of disease vectors and pests / 
William brodbeck herms, harold farnsworth gray 
 - 2 # ed. rev. and enl 
 - 419 ppáginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mosquitos--Exterminación
<br/><br/><label>LC Class. No.: </label>RC116  / H47 1977