Smith, F.
view article (10.004545)
Clear Sign...Of the Right Color.
Fire Prevention,
No. 152,
26-28,
September 1982
Pierman, B. C.; Lerner, N. D.
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Testing Symbols for Fire Situations.
National Institute of Standards and Technology, Gaithersburg, MD
Fire Command,
Vol. 47,
No. 3,
12-13,
March 1980
Fire International
view article (9.993612)
Two Labels That Spell Safety Throughout the World.
Fire International,
No. 73,
71-74,
December 1981
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.
Hargreaves, V.
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Why and How London Decided to Require Hazchen Warning Signs on Buildings.
Fire,
Vol. 74,
No. 922,
598-599,
April 1982