000 00313nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _aAL-
082 _b26
100 _a"Khanna, D R"
245 2 _aA TextBook Of Sound
260 _aNew Delhi
260 _bAatma Ram & Sons
260 _c1985
300 _a508
999 _c12446
_d12446