| 000 | 00407cam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 180718b1964 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aW9084x42 | ||
| 245 |
_aRadio research: report _cby Department of Scientific and Industrial Research, United Kingdom |
||
| 260 |
_aLondon _bHer Majesty's Stationery Office _c1964 |
||
| 300 | _a27+p. | ||
| 700 | _aUnited Kingdom. Department of Scientific and Industrial Research | ||
| 999 |
_c498709 _d498709 |
||