Gmelin Handbook: NH4: MVol.2, 15, page 587 - 602

Grigorovich, Z. I.; Lyubimova, G. N.; Razumova, A. P.
Russian Journal of Inorganic Chemistry (Translation of Zhurnal Neorganicheskoi Khimii), 1980 , vol. 25, p. 543 - 546
Zhurnal Neorganicheskoi Khimii, 1980 , vol. 25, p. 975 - 981

Titova, K. V.; Kolmakova, E. I.; Rosolovskii, V. Ya.
Russian Journal of Inorganic Chemistry (Translation of Zhurnal Neorganicheskoi Khimii), 1978 , vol. 23, p. 634 - 636
Zhurnal Neorganicheskoi Khimii, 1978 , vol. 23, p. 1146 - 1149

Rubtsov, Yu. I.; Rumyantsev, E. S.; Andrienko, L. P.; Rafeev, V. A.; Lyubimova, G. N.; Manelis, G. B.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1980 , vol. 29, p. 1011 - 1017
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1980 , p. 1463 - 1469

Grigorovich, Z. I.; Lyubimova, G. N.
Russian Journal of Inorganic Chemistry (Translation of Zhurnal Neorganicheskoi Khimii), 1981 , vol. 26, p. 1379 - 1380
Zhurnal Neorganicheskoi Khimii, 1981 , vol. 26, p. 2564 - 2567

Rubtsov, Yu. I.; Rumyantsev, E. S.; Andrienko, L. P.; Rafeev, V. A.; Lyubimova, G. N.; Manelis, G. B.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1980 , vol. 29, p. 1011 - 1017
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1980 , p. 1463 - 1469

Titova, K. V.; Kolmakova, E. I.; Rosolovskii, V. Ya.
Russian Journal of Inorganic Chemistry (Translation of Zhurnal Neorganicheskoi Khimii), 1978 , vol. 23, p. 634 - 636
Zhurnal Neorganicheskoi Khimii, 1978 , vol. 23, p. 1146 - 1149

Rubtsov, Yu. I.; Rumyantsev, E. S.; Andrienko, L. P.; Rafeev, V. A.; Lyubimova, G. N.; Manelis, G. B.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1980 , vol. 29, p. 1011 - 1017
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1980 , p. 1463 - 1469