| 000 | 00503nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 230518b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aR 019:5/6(410) _bJ6 |
||
| 245 |
_aDepartment of scientific and industrial research: _bRevised to October, 1956 _c/ H. M. Stationery Office |
||
| 260 |
_aLondon: _bH. M. Stationery Office, _c1956 |
||
| 300 | _a36p. | ||
| 490 |
_aSectional list no. _v3 |
||
| 650 | _aGreat Britain | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c31895 _d31895 |
||