TY - JOUR AU - Belinda Collins AU - M Dahir AU - Daniel Madrzykowski C2 - Journal of the Illuminating Engineering Society DA - 1992-12-01 LA - en M1 - 21 PB - Journal of the Illuminating Engineering Society PY - 1992 TI - Visibility of Exit Signs in Clear and Smoky Conditions UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=910299 ER -