Não informado. (2001). Welding engineer: International edition. American Welding Society.
Lua i Stíl Chicago (17ú heag.)Não informado. Welding Engineer: International Edition. Chicago, Ill: American Welding Society, 2001.
Lua MLA (8ú heag.)Não informado. Welding Engineer: International Edition. American Welding Society, 2001.
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