1. Anderson, J.S., Phillips, J.M., and Schriver, C.B., Water contamination by certain heavy metals. Paper presented at the 44th Annual Meeting, Wat. Poll. Control Fed., 1971.
2. Anonymous, New process detoxifies cyanide wastes. Envir. Sci. Technol. 5 (1971) 496-497.
3. Argo, D.G., and Culp, G.L., Heavy metals revomal in wastewater treatment processes: part I, Water and sewage works, vol. 119, No. 8, pp. 62–65.
4. Bard, A. J., Chemical Equilibrium. Harper and Row, New York 1966.
5. Brantner, K.A., and Cichon, E.J., Heavy metals removal: Comparison of alternative precipitation processes. Ind. Waste Proc, 13th Mid. Atlantic Conf., Ann Arbor Science 1981, p. 43–50.