@article{ref1,
title="When 20 million tons of water flooded Johnstown",
journal="Smithsonian",
year="1989",
author="Jackson, D. D.",
volume="20",
number="2",
pages="50-61",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0037-7333",
doi="",
url="http://dx.doi.org/"
}