| itc.org.uk | Independent Television Commission |
| spie.org | Spie--the International Society For Optical Engineering. The Optics, Photonics, |
| mca-i.org | MCA-I - Media Communications Association-International |
| theiabm.org | International Association of Broadcasting Manufacturers (IABM) |
| conait.it | Il Consorzio Nazionale delle Imprese delle Telecomunicazioni |
| smpte.org | Society of Motion Picture and Television Engineers |
| sbe.org | Society of Broadcast Engineers |
| geocities.com | Campaign To Improve Bbc Tv News In The Home Counties |
| vlv.org.uk | Voice of the Listener and Viewer |
| ebu.ch | EBU |
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