@article{ref1,
title="Top-Down and Bottom-Up Processes in Driver Behavior at Roundabouts and Crossroads",
journal="Transportation human factors",
year="2000",
author="Summala, Heikki and Rasanen, Mikko",
volume="2",
number="1",
pages="29-37",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1093-9741",
doi="10.1207/STHF0201_5",
url="http://dx.doi.org/10.1207/STHF0201_5"
}