000 00300nam a2200121Ia 4500
008 210311s9999 xx 000 0 und d
040 _crty
100 _aKent , Allen Ed
245 0 _aEncyclopadia of Library & Information Sceince: Vol.-50
260 _aNew York
300 _a1987
942 _cTU
999 _c263638
_d263638