2215-2466 2215-2466 S2215-24662017000200145 10.22458/rr.v7i2.1835 Spain 00 12 2017 00 12 2017 7 2 145 161

2006 2015 2014 2012 2003 EFE 2016 2013 2015 1971 22-39 1982 1991 2002 2008 Savinio 2012 2016