Não informado. (1989). Noise & Vibration Worldwide. Elsevier Advanced Technology.
Lua i Stíl Chicago (17ú heag.)Não informado. Noise & Vibration Worldwide. Oxford, Inglaterra: Elsevier Advanced Technology, 1989.
Lua MLA (8ú heag.)Não informado. Noise & Vibration Worldwide. Elsevier Advanced Technology, 1989.
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