@article{ref1,
title="Physiological stress and fatigue in aerial missions for the control of forest fires",
journal="Aerospace medicine",
year="1966",
author="Balke, B. and Melton, C. E. Jr and Blake, Catherine",
volume="37",
number="3",
pages="221-227",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}