000 00342nam a2200133Ia 4500
999 _c21819
_d21819
008 190711s9999 xx 000 0 und d
020 _a0890061467
082 _a621.38415 R972
100 _aRutkowski, Anthony, M.
245 0 _aIntegrated Services Digital Networks
260 _aDEDHAM
_bArtech House
_c1985
300 _a24X16
942 _cBK