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Determine the luminous requirements of retroreflective highway signing. Final report

Olson, Paul L. (2012-06-15)

The detection distance of highway signs as a function of color and photometric properties

Olson, Paul L. (2012-06-15)

Minimum requirements for adequate nighttime conspicuity of highway signs. Final report

Olson, Paul L. (2012-06-15)