FERTIS, D. G. F. (1995). Mechanical And Structural Vibrations. John Willey and Sons,Inc.
Lua i Stíl Chicago (17ú heag.)FERTIS, Demeter G. Fertis. Mechanical And Structural Vibrations. John Willey and Sons,Inc, 1995.
Lua MLA (8ú heag.)FERTIS, Demeter G. Fertis. Mechanical And Structural Vibrations. John Willey and Sons,Inc, 1995.
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