| 000 | 00405nam a22001577a 4500 | ||
|---|---|---|---|
| 999 |
_c2120 _d2120 |
||
| 008 | 200213b ||||| |||| 00| 0 eng d | ||
| 082 | 0 | 0 |
_a623.893 _bS6992 |
| 100 |
_91715 _aSonnenberg, G. J. |
||
| 245 | 1 | 0 |
_aRadar and electronic navigation _cby G J Sonnenberg |
| 250 | _a1st | ||
| 260 |
_aLondon _bNewnes _c1951 |
||
| 300 | _avii,272p. | ||
| 365 | _d23.12 | ||
| 650 | 0 | _aRadio in Navigation | |
| 942 | _cBK | ||