@article{ref1,
title="Dangerous atmospheres: IH concerns in confined spaces",
journal="Occupational health and safety",
year="1996",
author="Johnson, L. F.",
volume="65",
number="5",
pages="43-4, 47",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0362-4064",
doi="",
url="http://dx.doi.org/"
}