00869nam a2200229Ia 4500003000400000005001700004008004100021040002000062041000800082082002500090100004400115245008400159264005100243300001000294650004000304650003000344650003800374650004800412942001500460952014900475999001500624AIT20260806160927.0221231s9999    xx            000 0 und d  aATRIAbengcAIT  aeng  a621.382 VISqAIT222  aThiagarajan, Vishwanathan94081eAuthor 0aTelecommunication switching systems and networks /cby Vishwanathan Thiagarajan34aNew Delhi :bPrentice-Hall of India ;c©2003.  a583 p  aElectronics and Communication94082  aTelecommunication 919472  aTelecommunication Networks919473  aTelecommunication Switching Systems 919474  cBE_BK2ddc  00102ddc4071aAITbAITd2007-02-20eC B S Publ0o621.382 VISpBE08712r2022-12-31w2022-12-31yDONATED zElectronics and CommunicationABD  c3348d3348