1. The Hydrogen Bond;Pimentel,1960
2. G. Hofacker, Y. Maréchal, M. Ratner, in: P. Schuster, G. Zundel, C. Sandorfy (Eds.), The Hydrogen Bond Theory, North-Holland, Amsterdam, 1976. p. 297, see also p. 567 and 616.
3. Vibrational spectra of hydrogen bonded systems in the gas phase, Topics in Current Chemistry, vol. 120;Sandorfy,1984
4. Y. Maréchal, Molecular interaction, in: Ratjczak (Ed.), W. Orville-Thomas, Wiley, New York, 1980. p. 230.
5. Vibrational Spectra and Structure, vol. 16;Maréchal,1987