Roberts, Daniel A.  1922- <br/><br/>
Fundamentals of plant pathology 
Daniel A. Roberts, Carl W. Boothroyd 
 - 2nd ed. 
 - New York  W.H. Freeman and Co.  c1984 
 - xvi, 432 p.  ill  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant diseases
<br/><br/><label>Dewey Class. No.: </label>632