Hearing aids and audiometers : report of the Committee on Electro-Acoustics
Bok Engelsk 1947
| Annen tittel | |
|---|---|
| Utgitt | London : His Majesty's Stationery Office , 1947
|
| Omfang | IV, 71 s. : fig.
|
| Emner | |
| ISBN | 1588901033. - 3131027320. - 9781588901033. - 9783131027320
|
