0120-6230 0120-6230 S0120-62302018000200058 10.17533/udea.redin.n87a08 Colombia 00 06 2018 00 06 2018 87 58 69

[1] 2003 [2] 2003 14 947-52 [3] 2003 451-64 [4] 2009 27 273-8 [5] 2014 79-91 2017 18 45-57 [7] 2010 18 4 4 607-18 [8] 2012 [9] 2009 6 3 3 10-20 [10] 2007 [11] 2007 [12] Siemens Product Support 2005 [13] 2009 3 [14] 2006 3 [15] 1997 [16] 2006 [17] 2000