@article{ref1,
title="Accident investigation procedure--some guidelines for classification",
journal="Professional safety, journal of the American Society of Safety Engineers",
year="1985",
author="Adams, E. E.",
volume="30",
number="8",
pages="30-33",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0099-0027",
doi="",
url="http://dx.doi.org/"
}