0187-893X 0187-893X S0187-893X2015000400314 10.1016/j.eq.2014.12.001 BR BR BR 00 00 2015 00 00 2015 26 4 314 318

2004 3 7 1999 33 2469-79 2001 2007 2008 1968 2006 7 5 5 58-9