Volck, William H. <br/><br/>
Citrus pest control :   in southern California / 
by William H. Volck and Ronald W. Hunt 
 - Berkeley, Cal. :   California Spraye-Chemical company 
 - 24 p. 
<br/><br/><label>LCCN: </label>199015 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Citricos -- enfermedades