| 000 | 00398cam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 180718b1957 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aYA5084x42 Un3 | ||
| 245 |
_aDirection of research establishments : Proceedings _cby National Physical Laboratory, United Kingdom |
||
| 260 |
_aLondon _bHer Majesty's Stationery Office _c1957 |
||
| 300 | _av.p. | ||
| 700 | _aUnited Kingdom.National Physical Laboratory | ||
| 999 |
_c426656 _d426656 |
||