1. Short Chemical Encyclopedy (Sov. Entsiklopediya, Moscow, 1964), Vol. 3 [in Russian].
2. Oxygen-Free Copper, Ed. by A. A. Presnyakov (Nauka, Alma-Ata, 1985) [in Russian].
3. V. I. Strikha and E. V. Buzaneva, Physical Principles of Metal-Semiconductor Contact Reliability in Integrated Electronics (Radio Svyaz’, Moscow, 1987) [in Russian].
4. I. Z. Indutnyi, M. T. Kostyshin, O. P. Kasyarum, et al., Photostimulation of Interaction in Metal-Semiconductor Structures (Nauk. Dumka, Kiev, 1992) [in Russian].
5. E. P. Surovoi, S. M. Sirik, and L. N. Bugerko, Khim. Fiz. 19(8), 22 (2000).