autores Ana Cristina da Silva Braga Silva, A.S. Aroso, C. Ustrell, R. Braga, A.C. Mendes, J.M. Escuin, T.
Digital Object Identifier (DOI) https://doi.org/10.4047/jap.2015.7.1.32 https://doi.org/10.4047/jap.2015.7.1.32