References
- Shamov , A M . 1977 . ‘High fequency welding of metals.’ , Leningrad : Publ Mashinostroenie .
- Slepak , E S . 1980 . ‘High frequency welding in power engineering.’ , Moscow : Publ Mashinostroenie .
- Golovin , G F and Zimin , M V . 1979 . “ ‘Technology of thermal cutting of metals using induction heating.’ ” . In ‘Library of high frequency thermal technology.’ , Leningrad : Publ Mashinostroenie . No. 3