@article{ref1,
title="Road freight transport and the single European market",
journal="IATSS research",
year="1992",
author="Cooper, Jayne",
volume="16",
number="1",
pages="53-59",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}