@article{ref1,
title="What will be the European traffic transportation 1992? The influence of single market consolidation",
journal="IATSS research",
year="1989",
author="Bonnafous, A",
volume="13",
number="2",
pages="64-68",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}