00855nam0-22003131i-450-9900031072204033210-275-93129-3000310722FED01000310722(Aleph)000310722FED0100031072220000920d1989----km-y0itay50------baitaIT<<An >>Introduction to Airline EconomicsWilliam E. O'Connor.4th ed.WestportConn.LondonFrederick A. Praeger1989.XIII, 216 p.23 cmTrasporti aereiH/3.6O'Connor,William E.ITUNINARICAUNIMARCBK990003107220403321H/3.6 OCO14270SESSESIntroduction to Airline Economics462429UNINAING01