Markovskii, L. N.; Furin, G. G.; Shermolovich, Yu. G.; Yakobson, G. G.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1981 , vol. 30, # 4 p. 646 - 648
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1981 , # 4 p. 867 - 869