000 00292pam a2200097a 44500
008 140414b1992 xxu||||| |||| 00| 0 eng d
100 _aVISWANATHAN, THIAGARAJAN
245 _aTelecommunication Switching Systems and Networks
_c
260 _aNew Delhi
_bPrentice' Hall of India
_c1992
906 _a2166
999 _c2068
_d2068