@article{ref1,
title="Human factors in long-distance flights",
journal="Industrial medicine and surgery",
year="1972",
author="Mohler, S. R. and Cierebiej, A.",
volume="41",
number="6",
pages="11-17",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0019-8536",
doi="",
url="http://dx.doi.org/"
}