De Ong, E. R.  1882- <br/><br/>
Insect, fungus, and weed control / 
E. R.De Ong 
 - New York :  Chemical Pub. Co.,  c1953. 
 - 400 p. :  ill. ;  22 cm. 
<br/><br/>Includes index and  bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pesticides.
<br/><br/><label>Dewey Class. No.: </label>632.95  / DEI 1953