@article{ref1,
title="On the analysis of accident trends",
journal="Accident analysis and prevention",
year="1969",
author="Homburger, Wolfgang S.",
volume="1",
number="1",
pages="101-114",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0001-4575",
doi="10.1016/0001-4575(69)90007-4",
url="http://dx.doi.org/10.1016/0001-4575(69)90007-4"
}