//-->
Airline networks
Wojahn, Oliver W., (2001)
The gravity warm air system
(1947)
Gravity Models in Air Transport Research : A Survey and an Application
Zhang, Yahua, (2017)
Determinants of air passenger flows in China and gravity model : deregulation, LCCs, and high-speed rail
Zhang, Yahua, (2016)
Air transport development : a comparative analysis of China and India
Effects of Beijing-Shanghai high-speed rail on air travel : passenger types, airline groups and tacit collusion
Ma, Wenliang, (2019)