Ferreira, PauloSeixas, MárioFerreira, F. NunesJosé Teixeira2023-02-032023-02-032023978-3-03868-201-1https://doi.org/10.2312/pt.19891510https://diglib.eg.org:443/handle/10.2312/pt19891510---Attribution 4.0 International License10.2312/pt.19891510