Stefferud, Alfred, Ed. <br/><br/>
Yearbook of agriculture 1948: Grass / 
Stefferud, Alfred, Ed. 
 -  United States Department Of Agriculture,  1948 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture & related technologies
<br/><br/><label>Dewey Class. No.: </label>630 STE-Y