1405-0099 1405-0099 S1405-00992018000400243 México México México Alemania Mexico 00 12 2018 00 12 2018 40 4 243 249

1 2004 91 28-37 2 SCOAP Collaborative 2008 248 557-63 3 2011 377 1573-9 4 2008 144 276-82 5 2014 149 837-44 6 2000 66 548-54 7 1986 15 557-64 8 1994 76 418-9 9 2005 29 133-8 10 2006 10 1-iii-iv 11 2013 79 101-6 12 2008 144 276-82 13 2003 185 194-7 14 2004 141 537-46 15 1998 133 373-6 16 1997 21 686-92 17 1997 202 139-44 18 1997 169 1275-80 19 2002 75 721-5 20 1997 168 405-9 21 2001 136 556-62 22 2004 230 472-8 23 1988 167 327-9 24 2008 28 139-47 25 2007 73 580-4 26 1998 338 141-6 27 2007 48 267-73 28 2009 198 193-8 29 1997 174 723-6 30 2009 1 7-31