@article{ref1,
title="Analysis and identification of present and future environmental problems in road transport",
journal="IATSS research",
year="1992",
author="Second ISIRT Round Table, ",
volume="15",
number="2",
pages="69-94",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}