@article{ref1,
title="Simulation of two-way traffic on an isolated two-lane road",
journal="Transportation research",
year="1967",
author="Warnshuis, Paul",
volume="1",
number="1",
pages="75-83",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0041-1647",
doi="10.1016/0041-1647(67)90097-4",
url="http://dx.doi.org/10.1016/0041-1647(67)90097-4"
}