000 00313nam a2200133Ia 4500
008 240531s9999 xx 000 0 und d
020 _aNULL
082 _a300 216 UNE
100 _aUNESCO
245 0 _aSelective inventory of information services
260 _aU.M.E.S
_b1985
650 _aNULL
942 _cANF
999 _c310272
_d310272