| 1. | Octave - band and fractional - octave - band filters 倍频程和分数倍频程滤波器 |
| 2. | Electroacoustics . octave - band and fractional - octave - band filters 电声学.倍频带和分倍频带滤波器 |
| 3. | Electroacoustics - octave - band and fractional - octave - band filters 电声学.倍频带和分倍频带滤波器 |
| 4. | Electroacoustics - octave - band and fractional - octave - band filters 电声学.倍频带和分倍频带滤波器 |
| 5. | Electroacoustics - octave - band and fractional - octave - band filters ; amendment 1 电声学.倍频带和分倍频带滤波器.修改件1 |
| 6. | Electroacoustics - octave - band and fractional - octave - band filters iec 61260 : 1995 a1 : 2001 ; german version en 61260 : 1995 a1 : 2001 电声学.倍频程频带和分倍频程频带滤波器 |