@article{ref1,
title="Examination of firing pin impressions by scanning electron microscopy",
journal="Journal of forensic sciences",
year="1972",
author="Grove, C. A. and Judd, G. and Horn, Rebecca",
volume="17",
number="4",
pages="645-658",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1198",
doi="",
url="http://dx.doi.org/"
}