@article{ref1,
title="Weapons exhaust contaminants inside helicopters",
journal="Aerospace medicine",
year="1968",
author="Hody, G. L. and Bailey, R. W.",
volume="39",
number="6",
pages="641-644",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}