1. L. J. Bellamy, The Infrared Spectra of Complex Molecules [Russian translation], IL, Moscow, 1963.
2. K. Nakanishi, Infrared Absorption Spectroscopy [Russian translation], Izd. Mir, Moscow, 1965.
3. N. Colthup, Introduction to Infrared and Raman Spectroscopy, NY-London, 1964.
4. V. N. Grebenshchikov, Proceedings of the Commission on Spectroscopy, Vol. 2 [in Russian], Moscow, p. 208, 1964.
5. R. Ledley, Digital Computer and Control Engineering, McGraw-Hill Book Co., NY, 1960.