Valleau, W. D. <br/><br/>
Tobacco diseases / 
by W.D. Valleau, E. M. Johnson, and Stephen Diachun 
 - Lexington, Ky :   University of Kentuchy. Agricultural Experiment Station 
 - 60 p. 
 - Bulletin; 437 .
<br/><br/><label>LCCN: </label>205735 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tabaco -- enfermedades