Frear Donald E H <br/><br/>
Chemistry insecticides fungicides and herbicides 

 - 2 
 -  1948 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>42305 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Poison
<br/><br/><label>Dewey Class. No.: </label>F5940G, H8