TY - BOOK AU - UNITED NATIONS , ECONOMIC AND SOCIAL AFFAIRS (Deptt. of --) ED - UNITED NATIONS , ECONOMIC AND SOCIAL AFFAIRS (Deptt. of --) TI - Long - range world population projects : Based on the 1998 revision . U1 - Y : 5 . 1N45 . P0, P0/UN PY - 2000/// CY - New York PB - U . N ER -