@article{ref1,
title="Mine-Fire Methods Employed by the United Verde Copper Co",
journal="Transactions of the American Institute of Mining and Metallurgical Engineers",
year="1916",
author="Tally, RE",
volume="55",
number="",
pages="186-195",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0096-4778",
doi="",
url="http://dx.doi.org/"
}