@article{ref1,
title="Physiological and hygiene problems involved in the study of enclosed and sealed environments",
journal="Annals of occupational hygiene",
year="1968",
author="Walters, J. D.",
volume="11",
number="4",
pages="309-320",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-4878",
doi="",
url="http://dx.doi.org/"
}