000 00346nam a2200133Ia 4500
005 20260413100513.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aSharma,Sanjay
245 2 _aA textbook of Digital Communication Systems
260 _bN.Delhi,S.K. kataria
_c2014
300 _a353
942 _cGB
999 _c1758
_d1758