@article{ref1,
title="Report on the committee on traffic control and protection at urban and rural school zones",
journal="Highway Research Board proceedings",
year="1941",
author="Harrison, H. H. and Marsh, B. W.",
volume="",
number="",
pages="-",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0096-1027",
doi="",
url="http://dx.doi.org/"
}