@article{ref1,
title="Aeromedical and human factors aspects of airports",
journal="Aerospace medicine",
year="1971",
author="",
volume="42",
number="4",
pages="439-448",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}