Campbell, C. Lee <br/><br/>
Introduction to plant disease epidemiology  
/ C. Lee Campbell, Laurence V. Maddden 
 - New York:  John Wiley & Sons  , 1990 
 - 531 p.:  24 cm. 
<br/><br/><label>ISBN: </label>0-471-83236-7 
<br/><br/><label>Subjects--Index Terms: </label>Enfermedades de las plantas