0187-893X 0187-893X S0187-893X2015000300224 10.1016/j.eq.2015.05.007 CO ES 00 00 2015 00 00 2015 26 3 224 232

2002 20 465-76 2007 3 9-31 2007 1996 2009 2000 18 405-22 2005 2 19-50 2010 47-60 2004 1