1409-4703 1409-4703 S1409-47032016000100253 10.15517/aie.v16i1.22383 Chile Chile Chile 00 04 2016 00 04 2016 16 1 253 281

1998 2002 a 2002 b 2000 1992 2009 2 2 2 221-31 2009 1 3 3 5-28 1983 1996 2007 8 1 1 205-24 2007 2009 1 3 3 29-34 2009 1 3 3 56-63 2003 2007 43/6 43/6 1998 2a 1990 48 186 186 239-80 2011 16 48 48 243-66 2000 1995 2008 Acatlán, México 1989 1 2 2 142-58 1973 28 1 1 1-14 1996 2006 17 1 1 101-18 2004 1994 1995 1996 2007 11-3 1998 2005 36/9 36/9 2007 12 2 2 23-35 2002 11 77-85 2001 1998 3a 2004 1 23 23 9-28 1993 Universidad del Bío-Bío 2005 Universidad del Bío-Bío 2008 2003