@article{ref1,
title="Forward facing versus rearward facing passenger seats during emergency descent of multi mach-high altitude transport aircraft",
journal="Aerospace medicine",
year="1969",
author="von Beckh, H. J.",
volume="40",
number="11",
pages="1215-1218",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}