共 17 条
- [2] Brattle Group, 2002, EC IMP EU US OP AV A
- [6] Goetz A.R., 2002, J TRANSP GEOGR, V10, P1
- [7] Graham B., 1998, Journal of Transport Geography, V6, P87, DOI DOI 10.1016/S0966-6923(98)00003-9
- [8] Hamilton Booz Allen, 2007, TREN05MDS0752650 EUR
- [10] InterVISTAS, 2006, EC IMP AIR SERV LIB