@article{ref1,
title="An earthquake need only happen once",
journal="Provider",
year="1987",
author="Patton, J. A.",
volume="13",
number="3",
pages="29-29",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0888-0352",
doi="",
url="http://dx.doi.org/"
}