00553nam a2200193 a 450000500170000002000150001708200160003210000230004824500220007125000120009326000710010530000180017663000300019463000200022496400250024499700120026999900170028195200610029820251203091530.0  a8185273200  a025.52bRAN  aRanganathan, S. R.  aReference service  a2nd ed.  aBangalore:bSarada Ranganathan Endowment for Library sciencec1992  a432p.c22 cm.  aLibrary Reference service  aLibrary science  bEngc100de010fg_  a65306 C  c43440d43440  00104070aPUbPUd1998-04-08l0o025.52 RANp65306yBK