@article{ref1,
title="Drivers' judgments in overtaking and passing",
journal="Human factors",
year="1970",
author="Mast, T. M. and Gordon, D. A.",
volume="12",
number="3",
pages="341-346",
abstract="Abstract unavailable.",
language="",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}