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displaying 1 - 8 results in total 8

  • Howett, G. L.; Kelly, K. L.; Pierce, E. T.
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    Emergency Vehicle Warning Lights: State of the Art. Final Report.
    National Bureau of Standards, Washington, DC
    Law Enforcement Assistance Admin., Washington, DC, NBS SP 480-16, September 1978,

  • Howett, G. L.
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    Some Psychophysical Tests of the Conspicuities of Emergency Vehicle Warning Lights.
    National Bureau of Standards, Washington, DC
    Law Enforcement Assistance Admin., Washington, DC, NBS SP 480-36, July 1979,

  • Rubin, A. I.; Howett, G. L.
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    Emergency Vehicle Warning Systems.
    National Bureau of Standards, Washington, DC
    National Institute of Justice, Washington, DC, NBS SP 480-37, May 1981,

  • Glass, R. A.; Howett, G. L.; Lister, K.; Collins, B. L.
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    Some Criteria for Colors and Signs in Workplaces. Final Report. 1978-1983.
    National Bureau of Standards, Washington, DC
    Occupational Safety and Health Administration, Washington, DC, NBSIR 83-2694, April 1983,

  • Howett, G. L.
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    Linear Opponent-Colors Model Optimized for Brightness Prediction. Final Report.
    National Bureau of Standards, Gaithersburg, MD
    Department of Energy, Washington, DC, NBSIR 85-3202, February 1986,

  • Collins, B. L.; Kuo, B. Y.; Mayerson, S. E.; Worthey, J. A.; Howett, G. L.
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    Safety Color Appearance under Selected Light Sources.
    National Bureau of Standards, Gaithersburg, MD
    U.S. Department of Labor, Washington, DC, NBSIR 86-3493, January 1987, 140 p.

  • Howett, G. L.
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    Size of Letters Required for Visibility as a Function of Viewing Distance and Observer Visual Acuity.
    National Bureau of Standards, Washington, DC
    Department of Labor, Washington, DC, NBS TN 1180, July 1983, 72 p.

  • Pierce, E. T.; Kelly, K. L.; McPherson, M. A.; Howett, G. L.; Booker, R. L.
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    Emergency Vehicle Warning Devices. Interim Review of the State-of-the-Art Relative to Performance Standards.
    National Bureau of Standards, Washington, DC
    NBS 10 478, May 1972,