@article{ref1,
title="Sensory deprivation under null-gravity conditions",
journal="American journal of psychiatry",
year="1962",
author="Barnard, G. W. and Wolff, H. D. and Graveline, D. E.",
volume="118",
number="",
pages="921-925",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-953X",
doi="",
url="http://dx.doi.org/"
}