000 00254nam a2200109Ia 4500
008 200701s2011 xx 000 0 eng d
100 _aYATES RICARDO
245 0 _aMODERN INFORMATION RETREIVAL
260 _bAMRIJA
_c2011
300 _a513
942 _2ddc
_cGE
999 _c5199
_d5199