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2.
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Gooriah, B.D. and M.L.P.M. Weatherly , (1971) National Survey of Smoke and Sulphur Dioxide : South Yorkshire. Stevanage: Warren Spring Laboratory.
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Guardian (1971) September 7.
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Mache, A. (1958) Quoted in Smokeless Air 106: 251.
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Medalia, N.Z. (1965) Community Perception of Air Quality: An Opinion Survey in Clarkston, Washington. Cincinnati: U.S. Department of Health, Education and Welfare.
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Payne, E. (1971) Quoted in Toronto Daily Star (August 15).
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Robertson, F. (1971) "Tonight." BBC TV program, October 5.
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Swan, J.A. (1972) "Public response to air pollution," in D. Carson and J. Wohlwill (eds.) Environment and the Social Sciences: Perspectives and Applications. Washington, D.C.: American Psychological Association.
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Wall, G. (1972) "Public response to air pollution in Sheffield , England." Presented to Man and Environment Commission, Twenty-Second International Geographical Congress, Calgary .
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Winfield, J.E. (1958) "Smoke control and miner's concessionary coal." Smokeless Air106: 248-249.
14.
Yorkshire and Humberside Economic Planning Council (1966) A Review of Yorkshire and Humberside. London: HMSO.