@article{ref1,
title="Heat stress in the cockpit of the AH-1G hueycobra helicopter",
journal="Aerospace medicine",
year="1970",
author="Breckenridge, J. R. and Levell, C. A.",
volume="41",
number="6",
pages="621-626",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}