@article{ref1,
title="In Search of a Transport Policy Research Agenda",
journal="International journal of transport economics",
year="2006",
author="Nijkamp, Peter",
volume="33",
number="2",
pages="141-167",
abstract="The author offers a future-oriented transportation research agenda contribution in an open international system context, with a particular focus on US-Europe interest. The author presents a promising joint research effort's four pillars, and covers a wide variety of topics and issues.<p />",
language="",
issn="0391-8440",
doi="",
url="http://dx.doi.org/"
}