000			00580nam a22002057a 4500
999			_c66849 _d66849
008			200206b ||||| |||| 00| 0 eng d
020			_a9781405147033
082			_a629.13251 _bUND
100			_aUnderdown, R.B.
245			_aground studies for pilots Navigation
250			_a6th Ed.
260			_aOxford [etc.] : _bBlackwell Pub, _cc2003. _cR. p. c2007
300			_axiii,362p.
600			_aCivil engineering
650			_aNavigation (Aeronautics)
650			_aAirplanes--Piloting
650			_aAids to air navigation
700			_aStanden, John.
942			_cBK