000			00320nam a2200133Ia 4500
001			9753
008			170722s9999 xx 000 0 und d
100			_aSharp John R.
245			_aInformation retrieval : _bNotes for students /
260			_c1970
653			_aDocumentation
653			_aLibrary Science
942			_cGEN
999			_c26986 _d26986