000 00349nam a2200133Ia 4500
999 _c18964
_d18964
008 190711s9999 xx 000 0 und d
020 _a0132121425
082 _a621.384 R687
100 _aRoden, Martin S
245 0 _aDigital and Data Communication Systems
260 _a Englewood Cliffs
_bPrentice Hall
_c1982
300 _a23X15
942 _cBK