1. et al., Metody elemento-organicheskoy khimii. Chlor. Alifaticheskiye soedineniya, Nauka, Moscow, 1973, Chapters 4 and 5.
2. Substituent effects on the carbon-13 chemical shifts in nitriles
3. (a) Carbon-13 NMR Spectroscopy, Academic Press, New York, 1972. p. 136;
4. (b) Carbon-13 NMR Spectroscopy, Academic Press, New York, 1972. p. 133;
5. (c) Carbon-13 NMR Spectroscopy, Academic Press, New York, 1972. p. 151;