1990-8644 1990-8644 S1990-86442020000100155 Perú Perú Perú 00 02 2020 00 02 2020 16 72 155 162

2014 214 7 7 410-4 2019 43 2 2 276-90 2013 10 12 12 2013 11 1 1 17-36 2011 12 1 1 359-85 2001 31 2 2 36-41 2012 9 2 2 18-30 2008 33 5 5 507-16 2010 2 2 2 3303-7 2006 30 2 2 145-56 2004 2 1 1 89-96 2015 13 1 1 61-75 1986 469-94 1991 1961 2008 2014 New Castle, United Kingdon 2014 2007 17 233-54 2013 17 1 1 12-27 2019 24 1 1 155-79