TY - GEN AU - Belinda Collins AU - Daniel Madrzykowski C2 - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD DA - 1990-08-01 DO - https://doi.org/10.6028/NIST.IR.4399 LA - en PB - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD PY - 1990 TI - Evaluation of Exit Signs in Clear and Smoke Conditions (NISTIR 4399) ER -