Kolesnikov, I. M.; Poteryakhin, V. A.; Rakhimkulov Akhtyam, G.; Rakhimkulov Akhat, G. Russian Journal of Physical Chemistry, 1981 , vol. 55, # 10 p. 1541 - 1542 Zhurnal Fizicheskoi Khimii, 1981 , vol. 55, # 10 p. 2703 - 2705