@article{ref1,
title="OSHA seeks to regulate rescue with updated confined-space rules",
journal="Occupational health and safety",
year="1991",
author="Wright, Roosevelt and Roop, M.",
volume="60",
number="8",
pages="20-3, 26, 46",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0362-4064",
doi="",
url="http://dx.doi.org/"
}