@article{ref1,
title="The american mine safety association",
journal="Science",
year="1913",
author="",
volume="38",
number="969",
pages="120-120",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-8075",
doi="10.1126/science.38.969.120",
url="http://dx.doi.org/10.1126/science.38.969.120"
}