@article{ref1,
title="Identification of rifled shotgun slugs",
journal="Journal of forensic sciences",
year="1970",
author="Townshend, D. G.",
volume="15",
number="2",
pages="173-178",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1198",
doi="",
url="http://dx.doi.org/"
}