@article{ref1,
title="Visual standards for the problems of spaceflight",
journal="Medical journal of Australia",
year="1963",
author="Berry, C. A.",
volume="2",
number="",
pages="674-677",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-729X",
doi="",
url="http://dx.doi.org/"
}