@article{ref1,
title="Temperatures of expired air under varying climate conditions",
journal="International journal of biometeorology",
year="1981",
author="Hoppe, P.",
volume="25",
number="2",
pages="127-132",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0020-7128",
doi="",
url="http://dx.doi.org/"
}