1. DIN EN 1011–1 (2009) Welding—recommendations for welding of metallic materials—part 1: General guidance for arc welding; German version EN 1011–1
2. SAI GLOBAL (1993) SEW 088:1993, supplemental sheet 2: Weldable fine grained steels; guidelines for processing, particular for fusion welding
3. Cantin F (2005) Arc power and efficiency in gas tungsten arc welding of aluminum. Sci Technol Weld Joi 10(5):200–210
4. Ghent HW, Roberts DW, Hermance CE, Kerr HW, Strong AB (1979) Arc efficiencies in TIG welds. Arc Physics and Weld Pool Behavior—International Conference of the Welding Institute, London, pp. 17–23, 8–10. May 1979
5. Becker, Rieger (1956) Schweißkalorimetrie [Teil 1], (welding calorimetrie [part 1]); 47. Mitteilung aus dem ZIS, Schweißtechnik, 6. Jahrgang, issue 1, pp. 12–15 (in German)