00566nam a22002057a 450000500170000001000110001702000100002803500110003803700160004904000120006508200130007710000260009024500640011626000400018027000110022030000230023150000510025465000200030565000350032520170124105925.0  a408557  c00.00  a408557  bCen Lib/Ret  aDPLbEN  a020bSHA  aSharma, Jagdish Saran  aThe substance of library science /cby Jagdish Saran Sharma  aBombaybAsia Publishing Housec1965  bBombay  axi,244p.c21cm(Hb)  aIncludes bibliographical references and  index  aLibrary Science  aLibrary science -- Methodology