000 00273nam a2200121Ia 4500
008 190107s9999 xx 000 0 und d
020 _a9788177000313
100 _aV.P. Singh
245 0 _aMechanical vibrations
260 _bDhanpat Rai & CO
365 _b330/-
942 _cBK
999 _c573
_d573