00422nam a2200169Ia 4500008004100000020001800041041000800059082001600067100001700083245005100100250001200151260002000163300002600183365001600209500001000225700001700235230718s9999    xx            000 0 und d  a0-02-341860-5  aeng  a621.38bGIB  aGibson J.D.   aPrinciples Of Digital And Analog Communication  a2nd ed.  c1993bMacmillan  a576dRef 257 E (6190)  cRs.b730.00  a257 E  aGibson J.D.