@article{ref1,
title="Queueing for gaps in traffic",
journal="Biometrika",
year="1965",
author="Hawkes, A. G.",
volume="52",
number="1-2",
pages="79-94",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0006-3444",
doi="10.1093/biomet/52.1-2.79",
url="http://dx.doi.org/10.1093/biomet/52.1-2.79"
}