@article{ref1,
title="Some Theoretical Aspects of Road Traffic Research",
journal="OR: Operational research quarterly (1953)",
year="1953",
author="Wardrop, J. G.",
volume="4",
number="4",
pages="72-73",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1473-2858",
doi="",
url="http://dx.doi.org/"
}