Não informado. (2011). Range: Philips Telecommunication Journal. Philips Telecommunicatie Industrie.
Lua i Stíl Chicago (17ú heag.)Não informado. Range: Philips Telecommunication Journal. Hilversum, Holanda: Philips Telecommunicatie Industrie, 2011.
Lua MLA (8ú heag.)Não informado. Range: Philips Telecommunication Journal. Philips Telecommunicatie Industrie, 2011.
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