00297nam a2200121Ia 4500008004100000020001800041041000800059082001500067100001900082245003300101260002900134300001200163211209s2007    xx            000 0 und d  a9788131709771  aeng  a025.04 YAT  aYATES, RICARDE  aMODERN INFORMATIN RETRIEVAL   aNEW DELHIbPEARSONc2007  aXX, 513