000 00335nam a2200121Ia 4500
008 201224s9999||||xx |||||||||||||| ||und||
020 _a978-81-203-0713-1
100 _aViswanathan, T
_92815
245 0 _aTelecommunication Switching Systems & Networks
260 _aNew Delhi
_bPrentice Hall of India
_c2008
500 _a583
942 _cBK
999 _c3775
_d3759