@article{ref1,
title="Picric acid--a dangerous explosive",
journal="American Industrial Hygiene Association journal",
year="1980",
author="",
volume="41",
number="12",
pages="A26-A26",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-8894",
doi="",
url="http://dx.doi.org/"
}