1607-4041 1607-4041 S1607-40412019000100122 10.24320/redie.2019.21.e22.1866 Spain 00 00 2019 00 00 2019 21

2016 56 56 238-56 1991 50 2 2 179-211 2010 26 6 6 1632-40 2008 20 6 6 515-23 2012 15 1 1 42-51 2017 70 70 178-90 1989 13 3 3 319-40 1995 31-49 2014 Aveiro, Portugal 2013 68 68 167-76 2012 58 4 4 1085-98 2015 11 2 2 210-32 2010 17 34 34 173-81 2015 90 90 36-53 1998 3 4 4 424-53 2015 31 3 3 278-92 2012 28 2 2 583-90 2011 22 4 4 319-31 2013 69 69 387-99 1958 23 3 3 187-200 2013 61 61 193-208 2003 12 50 50 752-80 1995 19 3 3 265-91 2008 51 2 2 864-73 2015 23 45 45 117-24 2007 48 2 2 250-67 1994 2003 10 2 2 81-94 2008 36 1 1 64-75 2016 55 55 519-28 2007 44 1 1 90-103 2014 71 71 247-56 1995 6 2 2 144-76 2012 82 2 2 233-7 2014 47 47 1-15 2000 11 4 4 342-65 2000 46 2 2 186-205 2003 27 3 3 425-78