00358nam a2200145 a 450000500170000002000150001708200160003210000220004824500370007025000120010726000290011930000280014863000160017663000200019220251203091530.0  a8170001102  a025.31bVIS  aViswanathan, C. G  aCataloguingbtheory and practice  a6th ed.  aNew DelhibEss Essc1990  axiv, 450 p.c22 cm.bHB  aCataloguing  aLibrary science