@article{ref1,
title="Human reactions during flight to acceleration preceded by or followed by weightlessness",
journal="Aerospace medicine",
year="1959",
author="von Beckh, H. J.",
volume="30",
number="6",
pages="391-409",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}