000 00252nam a2200109Ia 4500
008 160710s1957 xx 000 0 und d
082 _a534 RIC
245 _aTEACHNICAL ASEPECTS OF SOUND
260 _bAMSTERDOM
_c1957
300 _a410
942 _2ddc
_cB
999 _c21414
_d21414