@article{ref1,
title="An approach to urban transportation planning: California's congestion management policy",
journal="IATSS research",
year="1995",
author="Rothblatt, DN and Colman, SB",
volume="19",
number="2",
pages="26-35",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}