@article{ref1,
title="Passenger orientation in transportation terminals",
journal="Indian highways",
year="1996",
author="Das, Shyam and Das, Animesh and Sarkar, Ashoke",
volume="",
number="",
pages="-",
abstract="No abstract provided.<p />",
language="",
issn="0376-7256",
doi="",
url="http://dx.doi.org/"
}