@article{ref1,
title="Aviation human engineering is a scientific specialty",
journal="Journal of aviation medicine",
year="1958",
author="Klein, S. J. and Gell, C. F.",
volume="29",
number="3",
pages="212-219",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0095-991X",
doi="",
url="http://dx.doi.org/"
}