Não informado. (1945). Lubrication Engineering. American Society of Lubrication Engineers.
Lua i Stíl Chicago (17ú heag.)Não informado. Lubrication Engineering. Park Ridge, Ill: American Society of Lubrication Engineers, 1945.
Lua MLA (8ú heag.)Não informado. Lubrication Engineering. American Society of Lubrication Engineers, 1945.
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