1. On the possible significance of the changes in organic constituents in selected tissues of malathion exposed snail Pila globosa (Swainson);Ahamad;Comp. Physiol. Ecol.,1979
2. The Distribution and Abundance of Animals;Andrewartha,1954
3. Standard Methods for the Examination of Waste Water;APHA,1971
4. Effects of various metals on survival, growth, reproduction and metabolism of Daphnia magna;Biesinger;J. Fish. Res. Bd. Can.,1972
5. Acute and chronic toxicity of chlordane to fish and invertebrates;Cardwell;FPA-600/3-77-019-136,1977