0121-1129 0121-1129 S0121-11292018000100113 10.19053/01211129.v27.n47.2018.7927 Colombia Colombia Colombia Colombia Colombia 00 04 2018 00 04 2018 27 47 113 120

[1] 2006 37 6 6 10 [2] 1990 [3] 2007 28 7 7 2138-47 [4] 2002 160 2-3 2-3 239-48 [5] 2011 32 4 4 1760-75 [6] 2004 58 5 5 619-23 [7] 2015 265 46-52 [8] 2005 190 1 1 115-21 [9] 2003 82 3 3 771-9 [10] 2006 99 2-3 2-3 300-8 [11] 2009 6 [12] 2015 633 127-36 [13] 2014 617 472-178 [14] 2013 [15] ASTM 2017 6 [16] 2009 [17] 2009 486 1-2 1-2 L21-3