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FLYING WHERE YOU DON'T WANT TO GO: AN EMPIRICAL ANALYSIS OF HUBS IN THE GLOBAL AIRLINE NETWORK
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The way we were: command-and-control centres in the global space-economy on the eve of the 2008 geo-economic transition
Taylor, Peter J, (2009)
Carriers' entry patterns under EU-US open skies agreement
Zhang, Shengrun, (2018)