00697nam a2200217Ia 4500003000400000005001700004008004100021040002000062041000800082082002500090100003800115245008300153250001200236264005000248300001600298650003400314650004100348650002200389650003700411650003100448AIT20260529103041.0221231s9999    xx            000 0 und d  aATRIAbengcAIT  aeng  a621.382 THAqAIT222  aVishvanathan, Thagarajan eAuthor 0aTelecommunication switching systems and networks /cby Thagarajan Vishvanathan  a6th ed.34aNew Delhi :bPrentice-Hall of India,c©2000.  aXIX, 583 p.  aElectronics and Communication  aTelecommunication switching systems   aTelecommunication  aSwitching Suystem and Networking  aTelecommunication networks