[1] DRM website:

      http://www.drm.org

[2] EBU website:

      http://www.ebu.ch

[3] http://www.digitalradiotech.co.uk/

[4] DAB website

      http://www.worlddab.org

[5] J.H. Stott: The how and why of COFDM

      EBU Technical Review, No. 279, Winter 1998.

[6] Martin Dietz e Stefan Meltzer: Audio Coding

      EBU Technical Review, No.291, July 2002.

[7] Jonathan Stott: DRM Technical features

      EBU Technical Review, No. 286, March 2001.

[8] P. Shelswell:

      The COFDM Modulation System: The heart of Digital Audio Broadcasting

      Electronics and Communications Engineering Journal, June 1995     

[9] Christof  Faller e Peter Kroon:

      Technical Advances in Digital Audio Radio Broadcasting

      Proceedings of the IEEE, Vol. 90, No. 8 August 2002

[10] Eureka-147 Project, August 1997

       Eureka-147 – Digital Audio Broadcasting

[11] Wolfgang Hoeg e Thomas Lauterbach:

        Digital Audio Broadcasting: Principles and Applications of Digital Radio

        Wiley – 2^nd Edition

[12] Frank Kozamernik: DAB – from Digital Radio from toward Mobile Multimedia

        EBU Technical Review, No. 297, January 2004

[13] H. Weber: Rádio Digital Mundial

        Elektor , Abril 2003

[14] Burkhard Kainka: Captação de ondas

        Elektor, Outubro 2004

[15] Frank Hofmann, Christian Hansen e Wolfgang Schafer:

        Digital Radio Mondiale (DRM) Digital Sound Broadcasting in the AM Bands

        IEEE Transactions on Broadcasting, Vol. 49, No. 3, September 2003