1. Khol’kin, A.I. and Kuz’min, V.I., Binary Extraction, Zh. Neorg. Khim., 1982, vol. 27, no. 8, p. 2070.
2. Dreitz, M.J., Ogilvie, G., Kee Sim, G., Rajala-Schultz, P.J., Grohn, Y.T., Kholkin, A.I., Belova, V.V., Pashkov, G.L., Fleitlikh, I.Y., and Sergeev, V.V., Solvent Binary Extraction, J. Mol. Liq., 1999, vol. 82, p. 131.
3. Khol’kin, A.I., Kuz’min, V.I., and Protasova, N.V., Binary Extraction of Acids, Zh. Neorg. Khim., 1986, vol. 31, no. 5, p. 1245.
4. Khol’kin, A.I., Binary Extraction. Part II: Extracrion of Acids and Metal Hydroxides, Khim. Tekhnol., 2000, no. 6, p. 37.
5. Khol’kin, A.I., Kuz’min, V.I., Pashkov, G.L., et al., Binary Extraction and Prospects of Its Application, Izv. Sib. Otd. Akad. Nauk SSSR, Ser. Khim., 1990, vol. 12, no. 5, p. 3.