1. L. A. Gribov, V. I. Baranov, and D. Yu. Zelentsov, Electronic-Vibrational Spectra of Polyatomic Molecules. Theory and Method for Calculation (Nauka, Moscow, 1997).
2. L. A. Gribov and I. V. Maslov, Zh. Fiz. Khim. 74, 441 (2000).
3. V. I. Baranov and L. A. Gribov, Zh. Prikl. Spektrosk. 51, 981 (1989).
4. V. I. Baranov, L. A. Gribov, V. O. Djenjev, and D. Yu. Zelentsov, J. Mol. Struct. 407, 177 (1997).
5. V. I. Baranov and B. K. Novosadov, Zh. Prikl. Spektrosk. 42, 430 (1985).