@article{ref1,
title="Toll road system and congestion pricing: a case of Japan Highway Public Corporation",
journal="IATSS research",
year="1998",
author="Yamauchi, Hidemi",
volume="22",
number="1",
pages="48-58",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}