Sobhana, S <br/><br/>
Studies on the biology of the aquatic Oligocheates of Kerala 

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 - Dept. of Aquatic Biology & Fisheries, University of Kerala, Thiruvananthapuram  1982 
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 - Balakrishnan Nair, N .
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<br/><br/><label>Dewey Class. No.: </label>T19828  SOB