Dudnikov, A., Dudnikov, I., Dudnik, V., Gorbenko, O. and Kelemesh, A. (2017) “Research of the main parameters of the technological process of electric contact welding at the restoration of machine parts”, Technology audit and production reserves, 6(1(38), pp. 4–9. doi: 10.15587/2312-8372.2017.114265.