1. Complex Formation in Nonaqueous Solutions, Ed. by G. A. Krestov (Nauka, Moscow, 1989), p. 256 [in Russian].
2. Achievments and Problems of Solvation Theory: Structure-Thermodynamical Aspects, Ed. by A. M. Kutepov (Nauka, Moscow, 1998), p. 172 [in Russian].
3. V. A. Sharnin, Zh. Obshch. Khim. 69, 1421 (1999) [Russ. J. Gen. Chem. 69, 1368 (1999)].
4. M. A. Zevakin, K. V. Grazhdan, S. V. Dushina, and V. A. Sharnin, Zh. Fiz. Khim. 80, 1445 (2006) [Russ. J. Phys. Chem. A 80, 1269 (2006)].
5. V. N. Klimova, Basic Micromethods for the Analysis of Organic Compounds (Khimiya, Moscow, 1967), p. 208 [in Russian].