American Welding Society. (1942). Welding handbook (1942 ed.). American welding society.
Lua i Stíl Chicago (17ú heag.)American Welding Society. Welding Handbook. 1942 ed. New York, N.Y.,: American welding society, 1942.
Lua MLA (8ú heag.)American Welding Society. Welding Handbook. 1942 ed. American welding society, 1942.
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