@article{ref1,
title="Difficulties in studying spatial aspects of road safety the example of accidents at intersections",
journal="IATSS research",
year="1993",
author="Thomas, Isabelle and Romero, V. L.",
volume="17",
number="2",
pages="67-72",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}