West, T. F. <br/><br/>
D D T and newer persistent insecticides / 
T. F. West and G. A. Campbell. 
 - 2nd ed. 
 - London :  Chapman and Hall,  c 1950. 
 - xiv, 632 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>329  329 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insecticides
<br/><br/><label>Dewey Class. No.: </label>648.7 / W52d