@article{ref1,
title="Shadowgraphs of bulbs, bottles, and panes",
journal="Journal of forensic sciences",
year="1975",
author="von Bremen, U.",
volume="20",
number="1",
pages="109-118",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1198",
doi="",
url="http://dx.doi.org/"
}