TY - RPRT TI - Simple Estimates of Combined Stairwell / Elevator Egress in Buildings AU - Reneke, Paul A. AU - Tofilo, Piotr AU - Peacock, Richard D. AU - Hoskins, Bryan L. PY - 2013 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST TN 1722 DO - 10.6028/NIST.TN.1722 ER -