1405-3322 1405-3322 S1405-33222007000100063 10.18268/bsgm2007v59n1a5 Spain México España Spain 00 00 2007 00 00 2007 59 1 63 70

2003 194 3-23 1973 58 323-31 1993 57 683-4 1973 423-52 1979 74 95-108 1927 12 252-6 2002 159 347-50 1967 52 171-200 1994 162 297-303 1999 45 390-7 1995 109 2006 17 70 70 139-48 1988 83 1856--1885 1993 527 1932 17 362-3 2003 1929 51 360--370 1996 44 843--850 1938 235A 247--272 1981 66 885-907 1959 54 1002-34 1965 4 367-77 1985 17 11--44