Não informado. (1969). The Shock and Vibration Digest. Shock and Vibration Information Center.
Lua i Stíl Chicago (17ú heag.)Não informado. The Shock and Vibration Digest. Washington: Shock and Vibration Information Center, 1969.
Lua MLA (8ú heag.)Não informado. The Shock and Vibration Digest. Shock and Vibration Information Center, 1969.
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