000 00273nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aKanna D R
245 0 _aOscillations And Waves
260 _bAtmaram &sons
_c1983
300 _a422p
650 _aPhysics
942 _cBK
999 _c33228
_d33228