@article{ref1,
title="Sensory illusions of flying",
journal="Journal of aviation medicine",
year="1951",
author="Schafer, G. E.",
volume="22",
number="3",
pages="207-11; passim",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0095-991X",
doi="",
url="http://dx.doi.org/"
}