@article{Schnell_2009,
title={Effect of Luminance and Text Size on Information Acquisition Time from Traffic Signs},
volume={2122},
ISSN={2169-4052},
url={http://dx.doi.org/10.3141/2122-07},
DOI={10.3141/2122-07},
number={1},
journal={Transportation Research Record: Journal of the Transportation Research Board},
publisher={SAGE Publications},
author={Schnell,
Thomas and Yekhshatyan,
Lora and Daiker,
Ron},
year={2009},
month=jan,
pages={52–62} }