@article{ref1,
title="The causes of causes: determinants and background variables of human factor incidents and accidents",
journal="Ergonomics",
year="1986",
author="Gerbert, K. and Kemmler, R.",
volume="29",
number="11",
pages="1439-1453",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}