Resume
This work is cataloged in the Scientific Portal. Officially published in Advances in Regression, Survival Analysis, Extremes Values, Markov Processes and Other Statistical Applications, Studies in Theoretical and Applied Statistics (2013). Referenced as: "Viseu, Clara; Luísa Maria Jota Pereira Amaral (4F15-1868-D001); Martins, Ana Paula; Ferreira, Helena".