@article{ref1,
title="Mine Labor and Accidents",
journal="Transactions of the American Institute of Mining and Metallurgical Engineers",
year="1918",
author="Wilson, HM",
volume="59",
number="",
pages="652-654",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0096-4778",
doi="",
url="http://dx.doi.org/"
}