Roy D N <br/><br/>
Entomology ( medical and veterinary) including insecticides and insect and rat control 

 - 2 
 -  1954 
 - ix, 413p.  cm. 
<br/><br/><label>Standard No.: </label>55958 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Insects<br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>K86, J41