00275nam a2200109Ia 4500008004100000041001200041100002000053245006600073250000900139260000900148650000800157221030s9999    xx            000 0 und d  aEnglish  aAnita Gorka/218 0aEnergy Detection  Based  Spectrum   AnlysiscIasha Sharam/338  a2009  c2009  aECE