1657-0790 1657-0790 S1657-07902020000100029 10.15446/profile.v22n1.78800 Chile 00 06 2020 00 06 2020 22 1 29 41

2012 1 4 4 43-8 1992 42 4 4 529-55 1969 53 5 5 334-41 2013 27 27 171-200 2002 2001 19 1 1 51-61 1988 22 4 4 593-606 2001 2 90-112 1967 5 4 4 161-70 2017 185-92 2005 39 3 3 379-97 2014 5 2 2 262-73 1987 37 3 3 313-26 1998 2010 7 2 2 3-7 2017 1998 52 2 2 119-26 1978 2010 14 2 2 141-63 1985 11-30 2010 Ames, US 1993 43 1 1 69-92 1957 2008 51-60 1997 31 3 3 543-60 2017 1995 45 1 1 73-97 1989 1976 Stuttgart, DE 2011 2003 2011 28 1 1 31-50