1. Yu. V. Baimakov and A. I. Zhurin, in: Pure Metals and Semiconductors [in Russian], Metallurgizdat (1959).
2. O. Kudra and E. Gitman, Electrolytic Preparation of Metal Powders [in Russian], Izd-vo AN UkrSSR, Kiev (1952).
3. G. V. Samsonov and S. Ya. Plotkin, Production of Iron Powder [in Russian], Metallurgizdat (1957).
4. Chem.-Ztg., No. 12, 171 (1888).
5. S. Grunauer, Z. Anorg. Chem., No. 39, 465 (1904).