1. M. M. Godneva and D. L. Motov, Chemistry of Fluoride Compounds of Zirconium and Hafnium (Nauka, Leningrad, 1971) [in Russian]. https://www.studmed.ru/godneva-mm-motov-dl-himiya-ftoristyh-soedineniy-cirkoniya-i-gafniya_334beafc550.html.
2. R. L. Davidovich and V. I. Sergienko, Structural Chemistry of Titanium (IV), Zirconium (IV) and Hafnium (IV) Complex Fluorides (Dal’nauka, Vladivostok, 2016) [in Russian].
3. R. L. Davidovich, A. V. Gerasimenko, B. V. Bukvetskii, V. B. Logvinova, and Yu. A. Buslaev, Koord. Khim. 13, 706 (1987).
4. B. O. Gel’mbol’t, E. V. Ganin, L. Kh. Minacheva, and V. S. Sergienko, Russ. J. Inorg. Chem. 50, 143 (2005).
5. V. G. Yagodin, V. E. Mistryukov, V. I. Pakhomov, Yu. N. Mikhailov, E. G. Il’in, and Yu. A. Buslaev, Zh. Neorg. Khim. 32, 2589 (1987).