1. Malighetti, P., Paleari, S., Redondi, R.: Pricing strategies of low-cost airlines: the Ryanair case study. J. Air Transp. Manag. 15(4), 195–203 (2009)
2. Tziridis, K., Kalampokas, T., Papakostas, G.A., Diamantaras, K.I.: Airfare prices prediction using machine learning techniques. In: 2017 25th European Signal Processing Conference (EUSIPCO), pp. 1036–1039. IEEE (2017)
3. Groves, W., Gini, M.: A regression model for predicting optimal purchase timing for airline tickets, Technical Report 11-025, University of Minnesota, Minneapolis (2013)
4. Groves, W., Gini, M.: An agent for optimizing airline ticket purchasing. In: 12th International Conference on Autonomous Agents and Multiagent Systems, AAMAS, St. Paul, MN, 06–10 May 2013, pp. 1341–1342 (2013)
5. Dixon, W.J., Massey Jr, F.J.: Introduction to statistical analysis (1951)