| 000 | 00357pam a2200145a 44500 | ||
|---|---|---|---|
| 082 |
_a629.551 _bG919r |
||
| 100 | _aGrover, John Herbert Hardy | ||
| 245 | 1 | _aRADIO AIDS TO AIR NAVIGATION | |
| 260 |
_aLondon _bHeywood _c1956 |
||
| 300 | _a138 | ||
| 650 | _aAids To Air Navigation | ||
| 650 | _aRadio In Aeronautics | ||
| 964 | _gCIRC | ||
| 997 | _a1144 C | ||
| 999 |
_c440871 _d440871 |
||