References
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- Tyvonchuk , P A . 1985 . “ ‘Reconditioning components of agricultural machines by arc surfacing in natural gas’ ” . In ‘Experiments with reconditioning of components in plants of the State Committee for Agricultural Engineering of the Ukrainian SSR’ , 40 – 42 . Moscow : Central Scientific Research Institute of Technical and Economic Information . State Committee for Agricultural Technology of the Soviet Union
- Tyvonchuk , P A and Naumenko , V N . 1985 . ‘A gas electric torch for arc surfacing outer cylindrical surfaces of steel and cast iron components in natural gas’ Kiev
- Tyvonchuk , P A and Novikevich , N F . 1977 . ‘A torch for surfacing in natural gas and oxygen’ , L'vov : Centre for Scientific and Technical Information of the Ukrainian Scientific Research Institute of Scientific and Technical Information . Information sheet No. 188-77