1. Yu. A. Lebedev, E. A. Miroshnichenko, and Yu. K. Knobel', Thermochemistry of Nitrocompounds [in Russian], Nauka (1970).
2. Yu. N. Matyushin, I. B. V'yunova, V. I. Pepekin, and A. Ya. Apin, Izv. Akad. Nauk SSSR, Ser. Khim., 2443 (1971).
3. V. I. Pepekin, T. N. Dymova, Yu. A. Lebedev, and A. Ya. Apin, Zh. Fiz. Khimii,37, 1024 (1967).
4. J. Lacher and H. Skinner, J. Chem. Soc.,A, 1034 (1968).
5. S. Benson, J. Chem. Educ.,42, 502 (1965).