@article{ref1,
title="Passenger transport",
journal="IATSS research",
year="1992",
author="Third ISIRT Round Table, ",
volume="16",
number="2",
pages="17-48",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}