org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Guilherme Posser da Costa, Jacques Santer, MiguelTrovoada et João de Deus Pinheiro
https://creativecommons.org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English MiguelTrovoada German MiguelTrovoada French MiguelTrovoada