Metcalf Robert L <br/><br/>
Organic insecticides 

 -  1955 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>42282 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Poison
<br/><br/><label>Dewey Class. No.: </label>F5940K86, J5