@article{ref1,
title="Boeing worker safety checked by computer-controlled warning system",
journal="Occupational health and safety",
year="1988",
author="Poli, K.",
volume="57",
number="13",
pages="22, 24-22, 24",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0362-4064",
doi="",
url="http://dx.doi.org/"
}