000 00379nam a2200121Ia 4500
008 171227s2002 xx 000 0 und d
020 _a978-81-203-0713-5
100 _aViswanathan,Thiagarajan
245 _aTelecommunication Switching Systems And Networks
260 _aNew Delhi
_bPrentice Hall of India
_c2002
300 _a583
365 _b195
650 _aTelecommunication Switching Systems and Networks
999 _c151040
_d151040