@article{ref1,
title="Firearms and Federal Law: The Gun Control Act of 1968",
journal="Journal of legal studies (Chicago)",
year="1975",
author="Zimring, Franklin E.",
volume="4",
number="1",
pages="133-198",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0047-2530",
doi="",
url="http://dx.doi.org/"
}