Não informado. (1982). Noise Control Engineering Journal. Institute of Noise Control Engineering.
Chicago-referens (17:e uppl.)Não informado. Noise Control Engineering Journal. Poughkeepie, NY: Institute of Noise Control Engineering, 1982.
MLA-referens (8:e uppl.)Não informado. Noise Control Engineering Journal. Institute of Noise Control Engineering, 1982.
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