00748nam0-22002771i-450-99000749541040332120050613131944.0000749541FED01000749541(Aleph)000749541FED0100074954120030814d1951----km-y0itay50------baengGBPrinciples of air navigationby E. W. AndersonLondonMethuen1951XIII, 264 p.ill.23 cmTraffico aereoAnderson,E.W.365539ITUNINARICAUNIMARCBK990007495410403321B-09-017Ist.7013ILFGEILFGEPrinciples of air navigation676012UNINA