TY - RPRT TI - Equal apparent conspicuity contours with five-bar grating stimuli AU - Yonemura, Gary T AU - Rinalducci, Edward J AU - Tibbott, Robert L AU - Fogelgren, Linda A PY - 1980 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 79-1925 DO - 10.6028/NBS.IR.79-1925 ER -