1. V. M. Arzhavitin, B. I. Shapoval, V. Ya. Sverdlov, and A. S. Tortika, Vopr. At. Nauki Tekh., Ser. Yad.-Fiz. Issled., No. 3 (3), 66 (1989).
2. V. M. Arzhavitin and V. Ya. Sverdlov, Zh. Tekh. Fiz. 68(11), 114 (1998) [Tech. Phys. 43, 1376 (1998)].
3. V. M. Arzhavitin, V. Ya. Sverdlov, A. S. Tortika, and B. I. Shapoval, Vopr. At. Nauki Tekh., Ser. Vakuum, Chist. Mater., Sverkhprovodn., No. 1 (9), 57 (1999).
4. V. T. Troshchenko, Fiz. Tverd. Tela (Leningrad) 2, 1060 (1960) [Sov. Phys. Solid State 2, 958 (1960)].
5. G. Garmong, Metall. Trans. 8, 2183 (1974).