Não informado. (2021). Communications/engineering Digest. Society of Cable Television Engineers.
Lua i Stíl Chicago (17ú heag.)Não informado. Communications/engineering Digest. Denver, Colo: Society of Cable Television Engineers, 2021.
Lua MLA (8ú heag.)Não informado. Communications/engineering Digest. Society of Cable Television Engineers, 2021.
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