000			00508nam a2200169Ia 4500
008			130910s9999 xx 000 0 und d
020			_a0471469955
041			_aeng
082			_221st ed. _a025.52 _bKEN/I
100			_aKent, Allen
245			_aInformation analysis retrieval _cAllen Kent
260			_aNew York : _bBecker And Hayes , _c1971
300			_axiii, 367 p.
490			_aInformation sciences series _aedited by Robert M. Hayes
653			_aInformation storage and retrieval systems
942			_cEN _2ddc
999			_c3613 _d3613