000 00334nam a2200133Ia 4500
005 20260413101019.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aBhattacharya Amit Abha
245 0 _aDigital Communication
260 _bN Delhi Tata Mcgrew hill
_c2006
300 _a516
942 _cGB
999 _c6137
_d6137