Kaminskii, N. A. Production of nickel formate. Masloboino-Zhirovaya Promyshlennost, 1954. 19 (4): 31-32. ISSN0368-8712.
Arnaiz Garcia, F. J.; Perez Manrique, M. M. Study of nickel formate and its addition products with ammonia, pyridine, and 4-methylpyridine. Ion (Madrid), 1976. 36 (420): 422-425. ISSN0375-9091.