title: Factors affecting the metrology of retroreflecting materials.
abstract: Potential sources of errors in measuring the luminous reflectance and chromaticity of retroreflecting devices are reviewed. Examples are given from data for representative retroreflectors of different types.
authors.forename: W H
authors.initials: WH
authors.lastname: Venable
authors.forename: H F
authors.initials: HF
authors.lastname: Stephenson
authors.forename: H
authors.initials: H
authors.lastname: Terstiege