Singh, R. S. <br/><br/>
Introduction to principles of plant pathology / 
R S Singh 
 - 2nd ed. 
 - New Delhi :  Oxford & IBH Publishing Co.,  c1975 [reprinted1980]. 
 - 390 p. :  ill. ;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant diseases.
<br/><br/><label>Dewey Class. No.: </label>571.92  / SII 1980