(2000). IESNA guide for the photometric evaluation of vehicle traffic control signal heads. New York: Illuminating Engineering Society of North America.
Παραπομπή Chicago StyleIESNA Guide for the Photometric Evaluation of Vehicle Traffic Control Signal Heads. New York: Illuminating Engineering Society of North America, 2000.
Παραπομπή MLAIESNA Guide for the Photometric Evaluation of Vehicle Traffic Control Signal Heads. New York: Illuminating Engineering Society of North America, 2000.
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