Chattopadhyay S B <br/><br/>
Principles and procedures of plant protection 

 -  1980 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>50125 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Plant environment<br/>Botany
<br/><br/><label>Dewey Class. No.: </label>I:55, M0