000			00275nam a2200109Ia 4500
008			230921s9999||||xx |||||||||||||| ||und||
041			_aeng
100			_aProakis, John G _91987
245		0	_aDigital communication _cProakis, John G
260			_bMC Graw Hill _c2008
942			_cBK
999			_c21254 _d21254