@article{ref1,
title="Who was at the aircraft's controls when the fatal accident occurred?",
journal="Aerospace medicine",
year="1970",
author="Krefft, S.",
volume="41",
number="7",
pages="785-789",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}