1. Beirlant J, Dierckx G, Goegebeur Y, Matthys G (1999) Tail index estimation and an exponential regression model. Extremes 2:177–200
2. Beirlant J, Figueiredo F, Gomes MI, Vandewalle B (2006) Improved reduced bias tail index and quantile estimators. J Stat Plan Inference. doi: 10.1016/j.jspi.2007.07.015
3. Caeiro F (2006) Estimação de parâmetros de acontecimentos raros. PhD thesis, FCUL, Universidade de Lisboa
4. Caeiro F, Gomes MI (2006) A new class of estimators of a “scale” second order parameter. Extremes 9:193–211
5. Caeiro F, Gomes MI (2008) Minimum-variance reduced-bias tail index and high quantile estimation. Revstat 6(1):1–20