Weihing, John L. <br/><br/>
Plant diseases 

 - (s.l.) :  University of Nebraska. College of Agriculture,  (s.a.) 
 - s.p. 
<br/><br/><label>LCCN: </label>53340 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fitopatología.