[1] Pederson, C. J., J. Am. Chem. Soc., 89, 7017 (1967).
[2] Dietrich, B., Lehn, J.M. and Sauvage, J.P., Tetrahedron Lett., 2885 (1969).
[3] Izatt, R. M., Pawlak, K., Bradshaw, J. S. and Bruening, R. L., Chem. Rev., 91, 1721 (1991).
[4] Izatt, R.M., Bradshaw, J. S., Pawlak, K., Bruening,R. L. and Tarbet, B. J., Chem. Rev., 92, 1261 (1992).
[5] Semnani, A. and Shamsipur, M., Spectrochim Acta, 49 (A), 44 (1993).
[6] Semnani, A. and Shamsipur, M., Journal of Inclusion Phenom., 22, 99 (1995).
[7] Semnani, A. and Shamsipur, M., J. Chem. Soc. Dalton Trans, 2215 (1996).
[8] Semnani, A. and Shamsipur, M., Polish J. Chem., 95, 134 (1997).
[9] Semnani, A., Shareghi, B. and Sovizi, M., Iran. J. Chem. & Chem. Eng., 19, 67 (2000).
[10] Semnani, A. and Shareghi, B., Proceeding of 18th Phillippine Chemistry Congress, Phillippines, 19-23 Feb. (2002).
[11] Hopkins, H. P., Jahagirdar, D. V. and Windler, F., J. Phys. Chem., 82, 1254 (1978).
[12] Nour, E. M. and Shahada, L. A., Spectrochim. Acta, 44 (A), 1277 (1988).
[13] Hirsch, W., Greenman, J. and Pizer, R., Can. J. Chem., 71, 2171 (1993).
[14] Lang., R. P., J. Phys. Chem., 78, 1657 (1974).
[15] Mizuno, M., Tanaka, J. and Harad, I., J. Phys. Chem., 85, 1789 (1981).
[16] Christian, G.D. and O’Reilly, J.E, “Instrumental Analysis”, Sec. Ed. Allyn and Bacon (1986).
[17] Beck, M.T. and Nagypal, I., “Chemistry of Complex Equilibria “John Wiely & Sons (1990).
[18] Nicely, V. A. and Dye, J. L., J. Chem. Educ. 48, 443 (1971).
[19] Wentworth, W. E., J. Chem. Educ., 42, 69 (1962).
[20] Powell, M. J. D., Comput. J., 7, 155 (1964).
[21] Pearson, R. G., Struct. Bonding (Berlin), 2, 80 (1993).
[22] Semnani, A. and Hemmat, M., Iran. J. Sci. & Tech., 26, 7 (2002).
[23] Parham, H. and Shamsipur, M., Talanta, 40, 1353 (1993).
[24] Parham, H. and Shamsipur, M., Sep. Sci. Technol., 30, 3061 (1995).