000 00302nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a527 H1294
100 _aHADINGHAM.S.L.R
245 0 _aASTRONOMICAL AIR NAVIGATION
260 _aSURREY
_bTECHNICAL PRESS
_c1945
300 _a23X17
942 _cBK
_2DDC
999 _c10540
_d10540