@article{ref1,
title="Regulation of Road Traffic in San Francisco",
journal="Zeitschrift des Vereines Deutscher Ingenieure",
year="1928",
author="No Author(s) Listed, ",
volume="72",
number="",
pages="1590-1590",
abstract="[Abstract unavailable]  <p> </p>",
language="",
issn="0341-7255",
doi="",
url="http://dx.doi.org/"
}