@article{ref1,
title="Accident proneness in urban traffic",
journal="Social-Medicinsk Tidskrift",
year="1957",
author="Lindegard, B. and Nyman, G. E. and Persson, Ulf",
volume="34",
number="8",
pages="343-350",
abstract="Abstract unavailable.",
language="",
issn="0037-833X",
doi="",
url="http://dx.doi.org/"
}