@article{ref1,
title="Directional guidance of motor vehicles--a preliminary survey and analysis",
journal="Ergonomics",
year="1966",
author="Biggs, N. L.",
volume="9",
number="3",
pages="193-202",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}