@article{ref1,
title="Considerations about the acceptability of mild colour defective trichromates in flying personnel",
journal="Aerospace medicine",
year="1962",
author="Hoogerheide, J.",
volume="8",
number="",
pages="17-23",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}