Vikhorev, A. A.; Syroezhko, A. M.; Proskuryakov, V. A.; Korotkova, N. P. Russian Journal of Physical Chemistry, 1980 , vol. 54, # 2 p. 251 - 253 Zhurnal Fizicheskoi Khimii, 1980 , vol. 54, # 2 p. 443 - 447