@article{ref1,
title="Models of delay and accident risk to pedestrians",
journal="Transportation and traffic theory",
year="1993",
author="Song, L. and Dunne, M. and Black, J.",
volume="12",
number="",
pages="295-312",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}