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Elisabete S.V. Monteiro
UDI-Research Unit for Inland Development - Polytechnic Institute of Guarda / Institute for Systems Engineering and Computers at Coimbra, Av. Dr. Francisco Sá Carneiro,Guarda, Portugal
Cidália C. Fonte
Department of Mathematics University of Coimbra / Institute for Systems Engineering and Computers at Coimbra, Apartado, Santa Cruz,Coimbra, Portugal
João L.M.P. de Lima
Department of Civil Engineering of University of Coimbra / MARE - Marine Environmental Sciences Centre, Faculty of Sciences and Technology, University of Coimbra, Pólo II University of Coimbra,Coimbra, Portugal