Guba, Emil Frederick <br/><br/>
Phyllosticta leaf spot, fruit brotch, and canker of the apple :   its etiology and control  / 
by Emil Frederick Guba 
 - Illinois  :   Agricultual Experiment Station 
 - p. 481-557 
 - Illinois Agri. Exp. Sta. Bulletin; 256 .
<br/><br/><label>LCCN: </label>202573 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fruta -- Enfermedades por virus