00677nam a22002297a 450000500170000001000130001702000070003003500130003703700160005004000120006608200130007810000260009124500910011724600060020826000370021427000440025130000260029550000510032165000210037265000290039370000250042220170124105916.0  aA-226995  c00  aA-226995  bCen Lib/Ret  aDPLbEN  a010bSEN  aSengupta, Benoyendra   aDocumentation and information retrieval /cby Benoyendra Sengupta, Mridula chatterjee   b   bThe Word Press c1977aCalcutta   bCalcutta a37A, College Street e700073  axvii, 189p.c20cm(Hb)  aincludes bibliographical references  and index  aLibrary Science   aInformation Retrievalx   aChatterjee, Mridula