000 00217 a2200097 4500
001 39828
100 _aKhana D R
245 _aOscillation and Waves
260 _aDelhi
_bAtma Ram & Son
_c1983
090 _c24830
_d24830
942 _aNUST-CAE
_cM
_c16481
999 _c274901
_d274901