TY - RPRT TI - Economic aspects of fire safety in health care facilities : guidelines for cost-effective retrofits AU - Chapman, Robert E AU - Chen, Phillip T AU - Hall, William G PY - 1979 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 79-1902 DO - 10.6028/NBS.IR.79-1902 ER -