O'Connor, William E.
An introduction to airline economics - 4th ed. - London Westpor, Connecticut 1989 - xiii, 216 p.
275931293
Air lines- economic aspects
387.71 / OCO
An introduction to airline economics - 4th ed. - London Westpor, Connecticut 1989 - xiii, 216 p.
275931293
Air lines- economic aspects
387.71 / OCO