00294nam a2200109Ia 4500008004100000041001200041082001100053100002500064245008300089260000600172650000600178221030s9999    xx            000 0 und d  aEnglish  a105.23  aRobert J. Schoenbeck 0aElectronic Communications - Modulation & Transmissioncby Robert J. Schoenbeck  c0  aB