1. 1. Grigoryants, A.G., Shiganov, I.N. (1988) Laser technique and technology. In: 7 books. Book 5: Laser welding of metals. Ed. by A.G. Grigoryants. Moscow, Vysshaya Shkola [in Russian].
2. 2. Vvedenov, A.A., Gladush, G.G., Yavokhin, A.N. (1983) On mechanism of maintain of deep key hole in liquid using laser beam. PMTF, 1 48-41 [in Russian].
3. 3. Oikawa, M., Minamida, K., Yoshida, Y., Suzuki, N. (2004) Development of all laser welded honeycomb structure for civil transports. Nippon Steel Technical Report, 89, January, 96-101.
4. 4. Shelyagin, V.D., Khaskin, V.Yu. (2002) Tendencies in development of laser-arc welding (Review). The Paton Welding J., 6, 25-28.
5. 5. Shelyagin, V.D., Khaskin, V.Yu., Garashchuk, V.P. et al. (2002) Hybrid CO2-laser and CO2 consumable-arc welding. Ibid., 10, 35-37.