Atwal, A.S <br/><br/>
Pest population and assessment of crop losses 

 - New Delhi  Indian Council of Agricultural Research  1989 
 - 131 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRICULTURE
<br/><br/><label>Dewey Class. No.: </label>632.9  / ATW