@article{ref1,
title="Underground explosions in coal mines",
journal="Medicine, science, and the law",
year="1976",
author="Nicholas, E. J.",
volume="16",
number="4",
pages="240-243",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-8024",
doi="",
url="http://dx.doi.org/"
}