00400nam a2200145 a 450000500170000002000150001710000160003224500470004826000290009530000210012496400160014599700130016199900190017495200610019320251203110908.0  a8170001803  aSingh, Sewa  aS R Ranganathan birth centenary literature  aNew DelhibEss Essc1995  a160p.c22 cm. HB  bcdefg_  a127673 C  c106586d106586  00104070aPUbPUd2008-02-13g160.00l0o p127673yBK