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Integrating airline operational practices into passenger airline hub definition
Route-level passenger variation within three multi-airport regions in the USA
CO2 emissions associated with hubbing activities in air transport: an international comparison
Cutting the carbon emission of international conferences: is decentralization an option?
A spatial analysis of FedEx and UPS: hubs, spokes, and network structure
The geography of European low-cost airline networks: a contemporary analysis
Cities and air services: the influence of the airline industry
Intermodal integration in air transportation: status quo, motives and future developments
Urban taxis and air pollution: a case study in Harbin, China