| 000 | 00421nam a22001457a 4500 | ||
|---|---|---|---|
| 999 |
_c2689 _d2689 |
||
| 008 | 200313b ||||| |||| 00| 0 eng d | ||
| 082 | 0 | 0 |
_a621.384191 _bR8939 |
| 110 |
_aH. M.S.O _9233 |
||
| 245 | 1 | 0 |
_aRadio direction-finding and navigational aids; some reports on German work issued in 1944-45 _cby HMSO |
| 260 |
_aLondon _bHMSO _c1951 |
||
| 300 | _a92 p. | ||
| 365 | _b2.10 | ||
| 650 | 0 | _aRadar in Navigation | |
| 942 | _cBK | ||