0188-4611 0188-4611 S0188-46112020000200113 10.14350/rig.60190 Spain 00 00 2020 00 00 2020 102 2019 43 1 1 2-13 2017 34 5-6 5-6 179-200 2019 1-18 2005 29 6 6 757-65 1991 2019