Sumangala Kumari, KS Studies on heavy metal toxicity on B- Glucosidase producing micro organisms along Titanium plant and Veli lake regions - - Dept. of Aquatic Biology & Fisheries, University of Kerala, Thiruvananthapuram 1991 - - Dhevendaran, K. . ISBN: Subjects--Topical Terms: Dewey Class. No.: T19911 SUM