@article{ref1,
title="Road accidents in Singapore",
journal="IATSS research",
year="1988",
author="Cha, CK",
volume="12",
number="1",
pages="88-89",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}