1. M. Abramowitz and I. A. Stegun, Handbook of Mathematical Functions, Vol. 55 of Appl. Math. Ser., 10th edition, National Bureau of Standards, US Governement Printing Office, Washington, DC (1972).
2. J. Beirlant, F. Caeiro and M.I. Gomes, An overview and open research topics in statistics of univariate extremes, Revstat - Statistical Journal 10(1), 1–31, (2012).
3. M. F. Brilhante, Exponentiality versus generalized Pareto - a resistant and robust test, REVSTAT - Statistical Journal 2(1), 2–13 (2004).
4. Extreme value analysis of the sea levels in Venice
5. C. A. Coelho and J. T. Mexia, Product and Ratio of Generalized Gamma-Ratio Random Variables: Exact and Near-exact Distributions – Applications, Lambert Academic Publishing AG & Co, Saarbrücken (2010).