Department of scientific and industrial research: Revised to October, 1956
Department of scientific and industrial research: Revised to October, 1956
/ H. M. Stationery Office
- London: H. M. Stationery Office, 1956
- 36p.
- Sectional list no. 3 .
Great Britain
R 019:5/6(410) / J6
Great Britain
R 019:5/6(410) / J6