000 00506 a2200253 4500
001 98259
020 _a4
041 _aeng
080 _a629.13 Dav
245 _aAeroplane performance theory : for pilots and flight engineers
250 _a
260 _aLondon
260 _bSir Isaac Pitman,
260 _c1946
300 _a138 p.
300 _c21 cm
490 _a
100 _aDavison, E.
700 _a
650 _a
650 _aAirplanes-Performance
942 _cBK
942 _2UDC
999 _c53276
_d53276