TY - RPRT TI - An analysis of the behavior of stair users AU - Templer, John A AU - Mullet, Gary M AU - Archea, John AU - Margulis, Stephen T PY - 1978 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 78-1554 DO - 10.6028/NBS.IR.78-1554 ER -