@article{ref1,
title="The philadelphia firearms ordinance. a case of comprehensive oversight",
journal="University of Pennsylvania law review",
year="1966",
author="No Author(s) Listed,  and No Author(s) Listed, ",
volume="114",
number="4",
pages="550-560",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0041-9907",
doi="",
url="http://dx.doi.org/"
}