000			00319nam a2200121Ia 4500
008			140317s9999 xx 000 0 und d
082			_a20
100			_aKent,A.
245			_aEncyclopedia of Library and Information Science. Vol. 44
260			_aNew York _bMarcel and Dekker. _c1989
300			_a409
942			_2ddc _cBK
999			_c11798 _d11798