Dickson, James Geere. <br/><br/>
Diseases of field crops 

 - New York :  McGraw-Hill,  1947 
 - 429 p.  : ilus. 
<br/><br/><label>LCCN: </label>19513 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cultivos--Enfermedades.
<br/><br/><label>Dewey Class. No.: </label>632.3  / D52