Kryshtal, G. V.; Zhdankina, G. M.; Serebryakov, E. P.
Russian Chemical Bulletin, 1993 , vol. 42, # 5 p. 866 - 869
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1993 , # 5 p. 910 - 913
Kryshtal, G. V.; Zhdankina, G. M.; Serebryakov, E. P.
Russian Chemical Bulletin, 1993 , vol. 42, # 5 p. 866 - 869
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1993 , # 5 p. 910 - 913