1. Das, N.R., and Bhattacharyya, S.N., 1976, Talanta, Vol. 23, p. 535.
2. Hall, H.K., 1957, JACS, Vol. 79, p. 5541.
3. Irving, H.M.N.H., and Damodaran, A.D., 1971, Anal. Chim. Acta., Vol. 53, p. 267.
4. Miller, J.D., and Mooiman, M.B., “Ion Exchange Extraction of Metallic and Non-Metallic Anions by Control of the Basicity of Amine Extractant,” USA patent pending.
5. Mooiman, M.B., and Miller, J.D., 1983, Proc. ISEC ’83 AIChE., p. 530.