@article{ref1,
title="Quality control of work environments",
journal="American Industrial Hygiene Association journal",
year="1971",
author="Tebbens, B. D. and Spear, R. C.",
volume="32",
number="8",
pages="546-551",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-8894",
doi="",
url="http://dx.doi.org/"
}