References
- Leshchinskii , L K . 1990 . ‘Plasma surface hardening’ , Kiev : publ Tekhnika .
- Krutyanskii , M M . 1964 . ‘Applications of plasma heating’ , Leningrad : Publ Energiya .
- Bykhovskii , D G . 1980 . ‘Plasma technology (experience with development and application)’ , Leningrad : Publ Lenizdat .
- Sokolov , E V , ed. 1961 . ‘A welding handbook’ , Vol. 1 , 166 – 171 . Moscow : Publ Mashgiz .
- Tokmakov , V P . 1988 . ‘Energy characteristics of the process of surface hardening with a concentrated energy source’ Moscow Manuscript No. 3207 deposited at VINITI, 26.04
- Esibyan , E M . 1971 . ‘Plasma-arc apparatus’ , Kiev : Publ Tekhnika .