@article{ref1,
title="Commentary on "Car Drivers' Adjustments to Cyclists at Roundabouts"",
journal="Transportation human factors",
year="2000",
author="Young, Douglas E. and Ayres, Thomas J. and Schmidt, Richard A.",
volume="2",
number="1",
pages="23-26",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1093-9741",
doi="10.1207/STHF0201_3",
url="http://dx.doi.org/10.1207/STHF0201_3"
}