@article{ref1,
title="Bi-level reporting of accidents",
journal="Journal of safety research",
year="1970",
author="Recht, J. L.",
volume="2",
number="2",
pages="51-54",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0022-4375",
doi="",
url="http://dx.doi.org/"
}