TY - RPRT TI - Improved building design through the psychology of perception : perceptual selectivity applied to livability and safety with sample performance requirements AU - Starnes, Nancy AU - Wehrli, Robert AU - Cormack, Robert PY - 1976 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 76-1046 DO - 10.6028/NBS.IR.76-1046 ER -