0185-3058 0185-3058 S0185-30582015000200227 Mexico 00 00 2015 00 00 2015 32 2 227 249

1995 1967 1995 1982 1990 1886 1928 1955 1997 1906 V 1820 1984 1986 107 2 2 137-61 1948 1957 1981 1951 2003