0011-1503 0011-1503 S0011-15032010000200047 10.22201/iifs.18704905e.2010.871 USA 00 00 2010 00 00 2010 42 125 47 62

1976 73 20 20 771-91 2009 313-22 2009 2009 339-52 2003 1969 66 8 8 225-37 2007 I 1980 3-25