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Associação Brasileira De Normas Técnicas-ABNT 2004 2005 106 73-81 2015 2017 9 2 2 1-12 2001 24 419-23 2011 42 320-6 2011 52 258-65 2008 77 355-63 2005 2003 267 32-41 2004 109 141-8 2011 34 1193-9 2010 177 950-5 2009 7 1-22 1994 26 297-305 2013 116 213-21 1998 21 671-3 1991 50 23-35 1998 22 104-9 2016 188 23-30 2002 2013 2005 291 37-44