000 00319nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a531
082 _b322 K5
100 _a"Khanna, D.R"
245 0 _aOscillations and Waves
260 _aNew Delhi
260 _bAtma Ram & Sons
260 _c1983
300 _a422
999 _c23298
_d23298