00747nam0-2200277---450-99000876946040332120091002142947.0000876946FED01000876946(Aleph)000876946FED0100087694620081201d1968----km-y0itay50------baengGBa-------001yyAirline Instrument FlyingG.D.P. WorthingtonLondonPitman1968viii, 312 p.ill.26 cmWorthington,Godfrey David Puget12996ITUNINARICAUNIMARCBK990008769460403321F9337DINPADINPAAirline Instrument Flying809842UNINA