@article{ref1,
title="Effect of prolonged driving on overtaking criteria",
journal="Ergonomics",
year="1970",
author="Brown, I. D. and Tickner, A. H. and Simmonds, D. C.",
volume="13",
number="2",
pages="239-242",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}