0212-1611 0212-1611 S0212-16112018001000023 10.20960/nh.1903 Spain Spain Spain Spain Spain Spain 00 12 2018 00 12 2018 35 6 1424 1431

1 2014 1 2 2001 3 2008 18 2 2 38-43 4 2015 32 2 2 77-87 5 2007 1 2 2 121-32 6 2007 7 2014 8 2008 27 on-line on-line 3-4 9 2008 10 2008 11 2011 1 14 14 193-206 12 2005 15 4 4 322-7 13 1980 5 3 3 247-56 14 2000 25 4 4 447-60 15 2010 213-40 16 2003 2a 177-205 17 2010 14 18 2012 31 2 2 41-8 19 2009 2 2 2 3-12 20 2013 28 106-11 21 2015 6 3 3 196-208 22 2008 23 2002 17 5 5 256-8 24 2017 25 2014 20 73 73 15-8 26 International Organization for Standardization (ISO) 1991 2nd 27 1995 245-70 28 2013 29 3 3 1038-59 29 2010 21 2 2 243-9 30 2001 296 4-12 31 2007 23 1 1 57-64 32 2009 343-6