1. O. L. Shcheka, T. B. Emelina, and V. D. Yumatov, J. Electron Spectrosc. Relat. Phenom. 70, 83 (1994).
2. V. D. Yumatov and G. G. Furin, Russ. Chem. Bull. 42, 270 (1993).
3. V. D. Yumatov and A. V. Okotrub, Russ. J. Phys. Chem. A 72, 1491 (1998).
4. L.N. Mazalov, V.D. Yumatov, and V.V. Murakhtanov, X-ray Spectra of Molecules (Nauka, Novosibirsk, 1977) [in Russian].
5. L. N. Mazalov and V. D. Yumatov, Electronic Structure of Extractants (Nauka, Novosibirsk, 1984) [in Russian].