Sprague, Roderick. <br/><br/>
Diseases of cereals and grasses in North-America 

 - New York :  Ronald,  1950 
 - 538 p.  : ilus. 
<br/><br/><label>LCCN: </label>57559 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cereales--Enfermedades.<br/>Hongos en agricultura.<br/>Pastos--Enfermedades.
<br/><br/><label>Dewey Class. No.: </label>632.4  / S67