1. K. Z. Shepelyakovskii, Strengthening of Machine Components by Surface Hardening with Induction Heating [in Russian], Mashinostroenie, Moscow (1972).
2. V. D. Kal'ner, G. A. Ostrovskii, I. N. Shklyarov, et al., "Use of electric heat treatment for improving the strength properties of gimbal gears," in: Construction, Study, Technology, and Economics of Automobile Production [in Russian], Mashinostroenie, Moscow (1978).
3. Yu. M. Lakhtin and A. G. Rakhstadt (eds.), Heat Treatment in Engineering (Handbook) [in Russian], Mashinostroenie, Moscow (1980).