@article{ref1,
title="Visual requirements for airline personnel",
journal="Journal of the American Optometric Association",
year="1968",
author="Agniel, H. M.",
volume="39",
number="11",
pages="1015-1017",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-0244",
doi="",
url="http://dx.doi.org/"
}