000 00277nam a2200121Ia 4500
008 211209s1945 xx 000 0 und d
041 _aeng
082 _aRAY
100 _aRAYLEIGH J W S
245 _aTHEORY OF SOUND
260 _bDOVERPUBLICATIONS INC.
_c1945
300 _a520
999 _c19038
_d19038