Pierce, E. T.; Kelly, K. L.; McPherson, M. A.; Howett, G. L.; Booker, R. L.
view article (10.004545)
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,
Howett, G. L.
view article (9.9981365)
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,
Howett, G. L.
view article (9.992496)
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.
Howett, G. L.; Kelly, K. L.; Pierce, E. T.
view article (8.887459)
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.
view article (8.887459)
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.
view article (8.887459)
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.
view article (8.887459)
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,
Collins, B. L.; Kuo, B. Y.; Mayerson, S. E.; Worthey, J. A.; Howett, G. L.
view article (8.887459)
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.