@article{ref1,
title="Forensic aspects of tear-gas pen guns",
journal="Journal of forensic sciences",
year="1968",
author="Stahl, C. J. and Young, B. C. and Brown, R. J. and Ainsworth, C. A.",
volume="13",
number="4",
pages="442-469",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1198",
doi="",
url="http://dx.doi.org/"
}