1. V. S. Feshchenko, A. A. Altukhov, A. Yu. Mityagin, et al., Radiotekh. Elektron. (Moscow) 55(6), 764 (2010).
2. B. F. Levine, C. G. Bethca, K. G. Glodovsky, et al., Semicond. Sci. Technol. 6, 114 (1991).
3. Yu. V. Gulyaev, A. Yu. Mityagin, G. V. Chucheva, et al., Patent No. 2012124726 (June 15, 2012).
4. Yu. V. Gulyaev, A. Yu. Mityagin, G. V. Chucheva, et al., Patent No. 2012141252 (September 27, 2012).