00297nam a2200097Ia 4500008004100000020001800041040002700059082002400086245006500110260002400175240809s9999    xx            000 0 und d  a9781984620491  aNORSU-MCIIcNORSU-MCII  aRes/621.38/C81/2019 0aCore concepts in engineering: telecommunications engineering  b3G E-Learningc2019