WALSH, R. A. (2001). Handbook of machining and metalworking calculations. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)WALSH, Ronald A. Handbook of Machining and Metalworking Calculations. New York: McGraw-Hill, 2001.
Lua MLA (9ú heag.)WALSH, Ronald A. Handbook of Machining and Metalworking Calculations. McGraw-Hill, 2001.
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