00736nam a2200205Ia 4500003000900000008004100009020001800050040001600068080001700084100003600101245011400137260003500251300001400286650001900300650001900319650004600338942000700384999001700391952012200408IN-BaIIA211028s9999    xx            000 0 eng d  a0-87692-713-4  cIIA Library  a621.392bVIS  aViswanathan, Thiagarajan919094 0aTelecommunication switching systems and networkscThiagarajan Viswanathan                                      aNew DelhibPrentice-Hallc1992  axx, 583p.  aNASA thesaurus  aNetworks96493  aTelecommunication switching system919095  cBK  c11157d11157  00104070aBANbBANcGENd1994-09-27g145.00l0o621.392/ VISp12071r2021-11-05v145.00w1994-09-27yBKGRs. 145.00