000			00349nam a2200145Ia 4500
008			210219s9999||||xx |||||||||||||| ||und||
082			_a620.3 _bGN93M.
100			_aGrover, G.K.
245		0	_aMechanical vibrations _c G.K.Grover
250			_a4th
260			_aRoorkee _bNem Chand _c1993
300			_axvi;468
942			_cBK
950			_o620.3 GN93M.
999			_c1682 _d1682