000			00398nam a2200157Ia 4500
008			250104s9999 xx 000 0 und d
020			_a13:978-007-126378-8
082			_a621.382 _bPRO
100			_aProakis John G.
245		0	_aDigital communications
250			_a5th edition.
260			_aNew delhi : _b Mcgraw Hill _c2014.
300			_a1150.
365			_a19
650			_aEngineering,
999			_c230615 _d230615