@article{ref1,
title="Flashing Signals in Peak Periods",
journal="Transportation quarterly",
year="1985",
author="Demetsky, Michael J. and Moreno, LE",
volume="39",
number="1",
pages="151-166",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0278-9434",
doi="",
url="http://dx.doi.org/"
}