BFRL Publications - luminescence
luminescence
Visibility of Exit Signs in Clear and Smoky Conditions.
Journal of the Illuminating Engineering Society, Vol. 21, No. 1, 69-84, Winter 1992.
Collins, B. L.; Dahir, M. S.; Madrzykowski, D.
Building and Fire Research Laboratory
National Institute of Standards and Technology
Gaithersburg, MD 20899