Não informado. (1974). Tribology International: The practice & technology of lubrication, wear prevention & friction control. Butterworth Scientific.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Tribology International: The Practice & Technology of Lubrication, Wear Prevention & Friction Control. Guildford, Inglaterra: Butterworth Scientific, 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Tribology International: The Practice & Technology of Lubrication, Wear Prevention & Friction Control. Butterworth Scientific, 1974.
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