1405-3322 1405-3322 S1405-33222007000200183 10.18268/bsgm2007v59n2a4 Mexico Mexico Mexico 00 00 2007 00 00 2007 59 2 183 201

2006 86 2003 20 2 2 95-106 2003 155 2006 100 1988 104 71 2004 79 2000 307-19 2006 75 2004 521 1999 39 15-29 2006 443 4-9 2006 2 2 195-204 1984 D-21 D-21 1996 tercera edición 358 1988 I 3-35 International Society For Rock Mechanics 1978 15 319-68 1985 1968 39 1996 13 2 2 240-51 2006 77 47-68 1975 7-38 1992 5-15 1996 1993 472 1983 XXXV 2 2 37 Servicio Geológico Metropolitano 2003 2001 19 1 1 50-65 2004 2d 656 1990 124 1980 8 230-3