@article{ref1,
title="The dynamic visual acuity of 30 selected pilots",
journal="Aeromedica acta",
year="1964",
author="De klerk, L. F. and Eernst, J. T. and Hoogerheide, J.",
volume="9",
number="",
pages="129-136",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0568-0549",
doi="",
url="http://dx.doi.org/"
}