Joint time-frequency analysis : methods and applications / Shie Qian, Dapang Chen
1995 SM series : spectrum management: ITU-R recommendations (new and revised as of 21 October 1995) / International Telecommunication Union
1995 Série SM : gestion su spectre: recommandations UIT-R (nouvelles et révisées en date du 21 octobre 1995) / UIT-R