@article{ref1,
title="Presence of ozone in aircraft flying at 35,000 feet",
journal="Aerospace medicine",
year="1962",
author="Young, W. A. and Shaw, D. B. and Bates, D. V.",
volume="33",
number="",
pages="311-318",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}