autores Fernandes, P.O. J.P. Teixeira João Matos Ferreira Azevedo, S. Fernandes, Paula Odete; Polytechnic Institute of Bragança Teixeira, João Paulo; Polytechnic Institute of Bragança Ferreira, João Matos; University of Beira Interior (UBI) Azevedo, Susana Garrido; University of Beira Interior (UBI)
