Hagedorn, D.J. <br/><br/>
Virus diseases of pea, Pisum sativum 
/ D. J. Hagedorn 
 - St. Paul, Minn.  American Phytopathological Society  1974 
 - 47 pages. :  illustrations. ;  26 cm. 
 - American Phytopathological society Monograph  no.9 .
<br/><br/>Bibliography: p.40-47 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Peas--Diseases and pests