@article{ref1,
title="Unified Programming and Improved Traffic Safety",
journal="Traffic quarterly",
year="1963",
author="Cutter, WA",
volume="17",
number="2",
pages="219-235",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0041-0713",
doi="",
url="http://dx.doi.org/"
}