Mitra, Eva <br/><br/>
A report on coppersulphate treatments of fishery ponds for the control of weeds :  1952-1970 / 
Eva Mitra 
 - Barrackpore :  Central Inland Fisheries Research Institute ,  1977 
 - 26 p. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural pests--India<br/>Insect pests--India
<br/><br/><label>Dewey Class. No.: </label>632.954