Singh, R. S <br/><br/>
Introduction to principles of plant pathology 

 - 3rd ed. 
 - New Delhi  Oxford & IBH Publishing Co  1984 
 - xi, 534p. : ill. 
<br/><br/><label>ISBN: </label>8120401786 
<br/><br/><label>LC Class. No.: </label>SB 732.5 Sin