| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Tuners, Amplifiers and Combined Hi-fi Units: A Commercial, Financial and Statistical Assessment of the British and International Markets | 978-O-9O3969-O3-1 (O-9O3969-O3-3) | 1973 |
A. B. · A. Beaumont · A. J. · J.B. · J Beaumont