[Civil Aviation Authority (2009). Analysis of air transport market in Poland 2004-2007. Warszawa.]Search in Google Scholar
[Civil Aviation Authority (2011). Analysis of air transport market in Poland in 2010. Warszawa.]Search in Google Scholar
[Diebold, F. & Mariano, R.S. (1995). Comparing Predictive Accuracy. Journal of Business& Economic Statistics, 13(3), 253-263.]Search in Google Scholar
[Hyndman, R. & Khandakar Y. (2008). Automatic Time Series Forecasting: The forecast Package for R. Journal of Statistical Software, 27(3), 1-22.10.18637/jss.v027.i03]Search in Google Scholar
[Hyndman, R., Koehler, A.B., Ord, J.K. & Snyder, R.D. (2008). Forecasting with ExponentialSmoothing: The State Space Approach. Germany: Springer.10.1007/978-3-540-71918-2]Search in Google Scholar
[R Development Core Team (2010). R: A language and environment for statistical computing [computer software]. Vienna, Austria.]Search in Google Scholar