TY - BOOK AU - UNITED NATIONS , ECONOMIC AND SOCIAL AFFAIRS (Deptt. of --) . ED - UNITED NATIONS , ECONOMIC AND SOCIAL AFFAIRS (Deptt. of --) . TI - United nations and persons with Disablities : Ist 50th year . U1 - V1 , N45 , 9z : 8 . P00, P0/UN PY - 2000/// CY - U. N PB - U . N Publication ER -