Frederiksen, Richard A. <br/><br/>
A comparison of sorghum diseases in temperate and tropical enviroments 

 - Ann Arbor, Mich. :  AID,  1974 
 - 20 p. 
<br/><br/><label>LCCN: </label>43099 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sorgo.<br/>Sorgo--Enfermedades.