Valleau, W. D <br/><br/>
Tobacco diseases  / 
W. D. Valleau, G. M. Jhonson, Stephen Diachun 
 - Lexington, Kentucky  :   Agricultural Experiment Station 
 - 60 p. 
 - Kentucky. Agric. Exp. Sta. Bull.; 437 .
<br/><br/><label>LCCN: </label>202177 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tabaco -- Enfermedades