000 00442nam a2200181Ia 4500
005 20250603144756.0
008 250603s9999 xx 000 0 und d
020 _a0-8359-1226-1
050 _aTK 5105 .S43/
100 _aSherman Kenneth
245 0 _aData Communications: A User's Guide
260 _aVirginia
260 _bReston Publishing Company, Inc
260 _c1985
300 _a446 p
650 _aVirginia
942 _cBK
999 _c39915
_d39915