000 00216 a2200097 4500
001 26856
100 _aThomson, W.Tn
245 _aViration theory and applictions
260 _a
_bAllen Unwi
_c
090 _c18089
_d18089
942 _aNUST-CAE
_cM
_c8990
999 _c261929
_d261929