000 00392nam a2200169Ia 4500
008 210210b1939 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a534/67
100 _aMEYER (Erwin)
245 _aElectro accoustics
260 _aLondon
_bG Bell and Sons Limited
_c1939
300 _axi,147
650 _aElectro
650 _aaccoustics
690 _aPhysics
906 _a008555
999 _c126501
_d126501