@article{ref1,
title="Use of airframe and avionics options: who has them and what do pilots want?",
journal="Air Medical Journal",
year="1993",
author="Cady, G.",
volume="1",
number="3",
pages="67, 69-70",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1067-991X",
doi="",
url="http://dx.doi.org/"
}