@article{ref1,
title="The Arrowhead Elementary School tornado safety program",
journal="Journal of school health",
year="1986",
author="Johnson, G. K. and Beck, R. R.",
volume="56",
number="1",
pages="33-33",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-4391",
doi="",
url="http://dx.doi.org/"
}