@article{ref1,
title="Overflow at a traffic light",
journal="Biometrika",
year="1959",
author="Haight, Frank A.",
volume="46",
number="3-4",
pages="420-424",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0006-3444",
doi="10.1093/biomet/46.3-4.420",
url="http://dx.doi.org/10.1093/biomet/46.3-4.420"
}