000 00371nam a2200133Ia 4500
999 _c22136
_d22136
008 190711s9999 xx 000 0 und d
020 _a013153777601
082 _a621.385 W511
100 _aWilliams, Richard, A.
245 0 _aCommunication Systems Analysis and Design
_bA Systems Approach
260 _aNew Jersey
_bPrentice Hall
_c1987
300 _a24X18
942 _cBK