00575nam a22002057a 450000500170000001000130001702000100003003500130004003700160005304000120006908200150008110000210009624500840011726000370020127000440023830000250028250000200030765000200032765000220034720170124110144.0  aA-227000  c00.00  aA-227000  bCen Lib/Ret  aDPLbEN  a025.8bMUK  aMukherjee, B. B.  aPreservation of library materials archives and documents /cby  B. B. Mukherjee  aCalcutta bThe World Pressc1973  a37 A, College StreetbCalcutta e700012  axiv,104p. c21cm(Hb)  aIncludes  index  aLibrary Science  aLibrary Materials