@article{ref1,
title="Policies on hoardings for enhancing road safety and amenity",
journal="Indian journal of transport management",
year="2005",
author="Mittal, N. and Sarin, S. M. and Bajpai, R. K. and Babu, K. V.",
volume="29",
number="3",
pages="338-361",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0970-4736",
doi="",
url="http://dx.doi.org/"
}