Sehgal, K. L. <br/><br/>
Planktonic copepods of freshwater ecosystems 

 - New Delhi  Interprint  1983 
 - 169p. 
<br/><br/><label>ISBN: </label> 80 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Freshwater ecology<br/>Freshwater ecosystems
<br/><br/><label>Dewey Class. No.: </label>577.63  / SHE