00400nam a2200157Ia 4500008004100000020001800041041000800059082001700067100001800084245005400102250001200156260001900168300000800187365001600195700003100211230718s9999    xx            000 0 und d  a9788181289179  aeng  a004.678bGRO  aGrossman D.A.  aInformation Retrieval bAlgorithms And Heuristics  a2nd ed.  c2009bSpringer  a332  cRs.b395.00  aGrossman D.A. & Frieder O.