000 00252nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a82-3
_bCLA
100 _aClarke, Arthur C
245 0 _aGlide path
260 _aLondon
_bSidgwick
_c1980
942 _cBK
999 _c38779
_d38779