@article{ref1,
title="Aviation accident risk and aircrew licensing",
journal="European heart journal",
year="1984",
author="Bennett, G.",
volume="5",
number="Suppl A",
pages="9-13",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0195-668X",
doi="",
url="http://dx.doi.org/"
}