0185-1667 0185-1667 S0185-16672000000300013 Cuba Cuba 00 09 2000 00 09 2000 60 233 13 33

1973 143-78 1993 18 3 3 121-32 1994 1974 2 2 105-25 1996 44 1986 12-6 1966 1975 3 3 71-85 1979 7 6 6 567-80 1973 54 2 2 427-32 1991 19 10 10 1469-73 International Union of Biological Sciences 1991 23-89 1989 328-71 1979 7 6 6 581-4 1996 119 l l 141-75 1988 1968 1977 1991 19 10 10 1461-8 1972 1985 1979 1972 226-63 1982 77 77 1982 PM-JD 1990 PM-JD 1994 PM-JD 1998 1995 Mérida, Venezuela 1991 19 10 10 1451-60 1949 1988 17 17 15-7 UNDP 1996 1985