^ 1.01.1Plakhotnik, V. N.; Varekh, V. V. Properties and solubility polytherm of nickel(II) tetrafluoroborate hexahydrate. Izvestiya Vysshikh Uchebnykh Zavedenii, Khimiya i Khimicheskaya Tekhnologiya, 1973. 16 (11): 1619-1622. ISSN0579-2991.
^Ostrovskaya, T. V.; Amirova, S. A.; Startseva, N. V. Chemical transformations of iron, cobalt, and nickel tetrafluoroborates. Zhurnal Neorganicheskoi Khimii, 1967. 12 (9): 2327-2330. ISSN0044-457X.
^Morgunova, E. M.; Strezhnev, I. V.; Pinaevskaya, E. N.; Neganova, L. A.. Development of preparation technology for some fluoroborates. Zhurnal Prikladnoi Khimii (Sankt-Peterburg, Russian Federation), 1970. 43 (5): 969-974. ISSN0044-4618.
^Plakhotnik, V. N.; Varekh, V. V. Hydrolysis of nickel tetrafluoroborate. Zhurnal Fizicheskoi Khimii, 1972. 46 (12): 3126-3129. ISSN0044-4537.