Sehgal K.L <br/><br/>
Planktonic copepods of fresh water ecosystem 

 - 1st 
 - New Delhi  Interprient  1983 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil Engineering
<br/><br/><label>Dewey Class. No.: </label>628  / SE-P