TY - RPRT TI - Movement on Stairs During Building Evacuations AU - Kuligowski, Erica D. AU - Peacock, Richard D. AU - Reneke, Paul K. AU - Weiss, Emily AU - Hagwood, Charles R. AU - Overholt, Kristopher J. AU - Elkin, Rena P. AU - Averill, Jason D. AU - Ronchi, Enrico AU - Hoskins, Bryan L. AU - Spearpoint, Michael PY - 2014 PB - National Institute of Standards and Technology SN - NIST TN 1839 DO - 10.6028/NIST.TN.1839 ER -