@article{ref1,
title="Headway and speed studies on two-lane highways",
journal="Indian highways",
year="1998",
author="Kumar, V. and Rao, S.",
volume="",
number="",
pages="-",
abstract="No abstract provided.<p />",
language="",
issn="0376-7256",
doi="",
url="http://dx.doi.org/"
}