Listar Vol._21, 1 (2017) por financiación "This work was funded (in part) by National Funds through the FCT – Fundação para a Ciência e a Tecnologia (Portuguese Foundation for Science and Technology) within the strategic project of CIIE, with the ref. “PEst-OE/CED/UI0167/2014” and project with the ref. “SFRH/BD/64982/2009”."