✦ LIBER ✦
Hearing aids and audiometers. Report of the committee on electro-acoustics, medical research council, special report series no. 261. Seventy-one pages. London: His majesty's stationery office, 1947. Price 1s. 3d. net
- Book ID
- 115036509
- Publisher
- John Wiley and Sons
- Year
- 1948
- Tongue
- English
- Weight
- 57 KB
- Volume
- 58
- Category
- Article
- ISSN
- 0023-852X
No coin nor oath required. For personal study only.