Resume
This work is cataloged in the Scientific Portal. Officially published in XLII Reunión de Estudios Regionales - AECR- Univ.Santiago de Compostela (2016). Referenced as: "Ribeiro, Maria Clara Dias Pinto; Martins,Francisco Vitorino da Silva; Vareta, Maria Leonor; Da Silva Martins, Francisco Vitorino; Vareta, M.L.; Verdelho Alves, M.L".