000 00302nam a2200121Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
020 _a978064407052
082 _a621.382 CHA
100 _aChandrashekaraiah
_911498
245 0 _aTelecommunication switching
260 _bNew York
300 _a238p.
_b0
999 _c136462
_d136462