University of California <br/><br/>
Study guide for agricultural pest control advisers on plant diseases 

 - Berkeley, Calif.  Division of Agricultural Scie  nces, Unive1980 
 - iii, 177 p 
<br/><br/><label>ISBN: </label>931876389 
<br/><br/><label>Dewey Class. No.: </label>632.3