Gage, George Raymond <br/><br/>
Studies of the life history of ustilago avenae (Pers.) Jensen and of Ustilago Levis (Kell.& Swing.) Mangn. / 
by George Raymond Gage 
 - Ithaca, N.Y. :   Cornell University 
 - 35 p. 
<br/><br/><label>LCCN: </label>199130 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hongos fitopatógenos<br/>Ustilaginales