De Ong, E. R. <br/><br/>
Insect, fungus and weed control. / 
E. R. De Ong. 
 -  1953. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fungi<br/>Weeds--Control
<br/><br/><label>Dewey Class. No.: </label>632.95