@article{ref1,
title="Use of relationships between road accidents and traffic flow in 'black-spot' identification",
journal="Traffic engineering and control",
year="1981",
author="McGuigan, RD",
volume="22",
number="8-9",
pages="448-451",
abstract="This paper summarizes some research recently undertaken to determine the form and strength of these relationships, and concludes with practical applications of the findings.<p />",
language="",
issn="0041-0683",
doi="",
url="http://dx.doi.org/"
}