000			004830000a22001690004500
245			_aCommunication systems analysis and design : a systems approach
100			_aWilliams, Richard A.
260			_aEnglewood Cliffs _bPrentice-Hall _c1987
300			_aviii, 470p. : ill.
500			_aBibliography and index included
020			_a0131538756
080			_a621.391 _bW5
650			_aSIGNAL THEORY
650			_aDIGITAL COMMUNICATION SYSTEMS
041			_aEN
942			_cBK
999			_c31005 _d31005