000 00353pam a2200157a 44500
008 230515b2005 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGLISH
082 _a0
100 _aVISWANATHAN
245 _aTELECOMMUNICATION SWITCHING SYSTEMS & NETWORKS
250 _a0
260 _a
_bPHI
_c2005
300 _a583
650 _aNULL
999 _c594065
_d594065