1. Yu. I. Archakov The Hydrogen Corrosion of Steel [in Russian], Metallurgiya, Moscow (1985).
2. B. A. Kolachev, The Hydrogen Embrittlement of Metals [in Russian], Metallurgiya, Moscow (1985).
3. H. Barkhausen, ?Zwei mit Hilfe der neun Verstärker entdeckte Erscheinungen,? Phys. Zs.,20, 401?403 (1919).
4. N. N. Kolachevskii, Fluctuating Phenomena in Ferromagnetic Materials [in Russian], Nauka, Moscow (1985).
5. G. S. Migirenko, V. N. Moskvin, and E. P. Nechai, ?The application of magnetic noise methods for studying the hydrogen corrosion of steel,? in: Methods for Determining and Studying Gases in Metals [in Russian], V. I. Vernadsk Institute of Geochemical and Analytical Chemistry, Moscow (1973), pp. 88?93.