0188-252X 0188-252X S0188-252X2020000100126 10.32870/cys.v2020.7365 Spain 00 00 2020 00 00 2020 17

2007 2004 2004 21 140-7 1999 1981 2014 2013 11 2 2 31-51 2004 4 1 1 2010 2011 1997 14 159-67 1994 2015 2015 27 289-302 2017 1992 2008 2011