The use of the Airport Dependence Index to measure airport market and spatial concentration in Europe since liberalization
Koo, T., Halpern, N., Graham, A., Papatheodorou, A. and Arvanitis, P. 2014. The use of the Airport Dependence Index to measure airport market and spatial concentration in Europe since liberalization. Royal Geographical Society Annual Conference 2014. London 26 Aug 2014