0211-5735 0211-5735 S0211-57352018000200001 10.4321/s0211-57352018000200001 España 00 12 2018 00 12 2018 38 134 349 356 1 1995 2 1989 3 1998 4 1995 5 2010 6 2007 7 8 2004 9 Pikara Magazine 2018