000			00494nam a2200169Ia 4500
008			161214s9999 xx 000 0 und d
020			_a9780387254814 _c(pbk)
082			_223 _a621.382 _bALE
100			_aAlencar, Marcelo S.
245		0	_aCommunication systems
260			_aNew Delhi: _bSpringer, _c2005
300			_axii, 416 p.; _bill.: _c23 cm.
650			_aDigital communications
650			_aSignal processing -- Digital techniques
700			_aRocha, Valdemar C. da
942			_2ddc _cBK
999			_c14596 _d14596