Steidel, R. E. (1980). An Introduction To Mechanical Vibrations. John Wiley.
Lua i Stíl Chicago (17ú heag.)Steidel, Robert E. An Introduction To Mechanical Vibrations. John Wiley, 1980.
Lua MLA (8ú heag.)Steidel, Robert E. An Introduction To Mechanical Vibrations. John Wiley, 1980.
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