00638nam0-22002411i-450-990001146230403321000114623FED01000114623(Aleph)000114623FED0100011462320000920d1947----km-y0itay50------baengMechanical Vibrationsby Den Hartog,J.P.New York [etc.]McGraw-Hill1947Den Hartog,J.P.624ITUNINARICAUNIMARCBK99000114623040332132-H-24377MA1MA1Mechanical vibrations117485UNINAING01