1. T. Lukka and L. Halonen, J. Chem. Phys.,101, 8380 (1994).
2. O. N. Ulenikov, R. N. Tolchenov, and Q.-S. Zhu, Spectrochim. Acta,A52, 1829–1841 (1996).
3. D. Papousek and M. R. Aliev, Molecular Vibration-Rotational Spectra, Elsevier, Amsterdam-Oxford-New York (1982).
4. A. D. Bykov, Yu. S. Makushkin, and O. N. Ulenikov, Rovibrational Spectroscopy of Water Vapor [in Russian], Nauka, Novosibirsk (1989).
5. I. M. Mills, in: Molecular Spectroscopy: Modern Research, K. N. Rao and C. W. Mathews (eds.), Academic Press, New York (1972).