@article{ref1,
title="Peformance of traffic sign retroflectivity",
journal="IMSA journal",
year="2000",
author="Mills, Ralph and Degeyter, Roberty",
volume="",
number="",
pages="-",
abstract="No abstract provided.<p />",
language="",
issn="1064-2560",
doi="",
url="http://dx.doi.org/"
}