1. Armant DR, Buikema AL Jr, Rutherford CL, Cairns J Jr (1980) Evaluation of in vitro enzyme inhibition for screening petroleum effluents. Bull Environ Contam Toxicol 24:244–250
2. Dhavale DM, Masurekar VB (1986) Effect of cadmium exposure on the activity of phosphatases in the hepatopancreas of crabScylla serrata (Forskal). Indian J Mar Sci 15:193–194
3. Flint KP, Harrison L (1984) The use of immobilised enzymes for the detection of river pollution. Int Environ Safety News 6:8–12
4. Fritsch G, Kussmaul H, Sonnenburg J (1975) Cholinesterase-Hemmtest zur Beurteilung der Wassergewinnung durch Uferfiltration. Wasser 45:75–90
5. Geve PA (1975) Die semi-quantitative Bestimmung der Cholinesterase Hemmenden Aktivitat von Gewassern. Wasser 44:15–21