Não informado. (2009). Tribology & Lubrication Technology. Society of Tribologists and Lubrication Engineers.
Lua i Stíl Chicago (17ú heag.)Não informado. Tribology & Lubrication Technology. Park Ridge, Ill: Society of Tribologists and Lubrication Engineers, 2009.
Lua MLA (8ú heag.)Não informado. Tribology & Lubrication Technology. Society of Tribologists and Lubrication Engineers, 2009.
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