1870-5766 1870-5766 S1870-57662016000100175 10.1016/j.pnsla.2016.01.008 00 00 2016 00 00 2016 11 1 175 190

2003 1998 1984 1979 1986 1999 1976 2011 1998 2009 2004 53-66 2004 1979 1979 1984 1998 2005 1975 1984 1973 1998 1979 1994 1997 2004 1998