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

 - 2 ed. 
 - New York :  McGraw-Hill,  1956 
 - 517 p.  : ilus. 
<br/><br/><label>LCCN: </label>19514 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cultivos--Enfermedades.
<br/><br/><label>Dewey Class. No.: </label>632.3  / D52 1956