| 000 | 00413nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 220709b1951 xxu||||| |||| 00| 0 eng d | ||
| 082 |
_a621.3843 _bL75R |
||
| 245 | _aRadio direction-finding and navigational aids | ||
| 260 |
_aLondon _bHer Majesty's Stationery Office _c1951 |
||
| 300 | _a92 | ||
| 500 | _aDormitory | ||
| 700 | _aDepartment of sceintific and industrial research | ||
| 964 | _bEnglish | ||
| 964 | _ePaper Fo | ||
| 942 | _cBooks | ||
| 906 | _a51046 | ||
| 981 | _aLondon: Her Majesty's Stationery Office, 1951. | ||
| 982 | _a92 | ||
| 983 | _aRadio direction-finding and navigational aids | ||
| 999 |
_c50740 _d50740 |
||