@article{ref1,
title="Feedback concepts of driver behavior and the highway information system",
journal="Accident analysis and prevention",
year="1969",
author="Kao, HSR",
volume="1",
number="1",
pages="65-76",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0001-4575",
doi="",
url="http://dx.doi.org/"
}