Kommedahl, Thor <br/><br/>
Focus.  [electronic resource] 

 -  Plant disease  Aug 2005 
 - 783 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0191-2917 
<br/><br/><label>Standard No.: </label>10.1094/PD-89-0783  doi