@article{ref1,
title="Effects of operator mood on performance in a simulated driving task",
journal="Perceptual and motor skills",
year="1967",
author="Heimstra, Norman W. and Ellingstad, Vernon S. and DeKock, A. R.",
volume="25",
number="3",
pages="729-735",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0031-5125",
doi="",
url="http://dx.doi.org/"
}