Simons, M.D.  1925- <br/><br/>
Crown rust of oats and grasses / 
M. D. Simons 
 - St. Paul, Minn. :  American Phytopathological Society,  1970 
 - 47 p. :  ill., col. plates ;  26 cm. 
 - American Phytopathological Society Mongoraph  no.5 .
<br/><br/>Bibliography : p. 37-47 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oats--Diseases and pests<br/>Grasses--Diseases and pests