000 00284nam a2200121Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
020 _a435272314
082 _a005.1 HAM
100 _aChandrashekar, K
245 0 _aTelecommunication Swithcing
260 _c2004
300 _a79p.
_b0
999 _c136424
_d136424