000 00326nam a2200133Ia 4500
005 20260413100455.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aProakis,John G
245 0 _aDigital Communications
260 _bN.Delhi,McGraw Hill
_c2015
300 _a1150
942 _cGB
999 _c1540
_d1540