0871-018X 0871-018X S0871-018X2020000600021 10.19084/rca.19685 Portugal Portugal 30 12 2020 30 12 2020 43 spe2 21 30

2019 9 12 12 874-88 2016 2019 68 68 18-29 2019 67 67 22-44 2013 27-31 2015 10-27 2016 49 49 68-87 2014 37-45