00748nam0-22002891i-450-99000053349040332120001010000053349FED01000053349(Aleph)000053349FED0100005334920001010d--------km-y0itay50------baitay-------001yyMechanical vibrationJ. P. Den Hartog4. ed.New YorkLondonMcGraw Hill1956436 p.24 cmDen Hartog,J. P.624ITUNINARICAUNIMARCBK99000053349040332105 SC 19 8636aDININDININMechanical vibration329121UNINAING01