Singh, R. S. (Rama Shanker), 1927- <br/><br/>
Introduction to principles of plant pathology / 
Singh, R. S. (Rama Shanker), 1927- 
 - xi, 534 p. ; 22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant diseases.<br/>Plant pathology.
<br/><br/><label>Dewey Class. No.: </label>581.22