1. Tourism crisis management—US response to September 11;Blake;Annals of Tourism Research,2003
2. Time Series Analysis, Forecasting, and Control;Box,1976
3. Bureau of Transportation Statistics, 2002. Bureau of Transportation Statistics, US Department of Transportation (2002, December), http://199.79.179.77/oai/indicators/top.html.
4. The effect of aviation disasters on the air transport industry: a financial market perspective;Chance;Journal of Transport Economics and Policy,1987
5. The impacts of the Asian economic crises on Asian airlines: short-run responses and long-run effects;Chin;Journal of Air Transport Management,1999