@article{ref1,
title="Firearms Identification. Powder Burns",
journal="Journal of criminal law and criminology (1931-1951)",
year="1937",
author="",
volume="27",
number="6",
pages="907-907",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0885-2731",
doi="",
url="http://dx.doi.org/"
}