What is "Quiet"? -- Varies between and within communities



Wall Emerson, R. & Sauerburger, D. (2008). "Detecting approaching vehicles at streets with no traffic control." Journal of Visual Impairment and Blindness, AFB Press, Volume 102, Number 12, pp. 747-760

Wyle Laboratories (1971). Community Noise. U.S. Environmental Protection Agency, Office of Noise Abatement and Control, Washington, DC http://www.nonoise.org/epa/Roll14/roll14doc65.pdf


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