000 00260nam a22001097a 4500
082 _a620.3 WIL
100 _aWILSON,W KER
_980142
245 _aPRACTICAL SOLUTION OF TORSIONAL VIBRATION PROBLEMS
260 _aLONDON
_bPDF
_c1963
300 _a880P
942 _cBK
999 _c585104
_d585104