00374nam a2200133Ia 450000500170000000800410001702000220005808200130008010000390009324500610013225000080019326000310020130000080023220260513164230.0260513s9999    xx            000 0 und d  a978-1-03-226872-9  a641bCOO  aCook, Gerald N. & Billig, Bruce G. 0aAirline Operations and Management: A management Textbook  a2nd  bRoutledgeaNew Delhic2023  a394