@article{ref1,
title="Helicopter Safety Initiative Makes Progress",
journal="Vertiflite",
year="2006",
author="Flater, MER",
volume="52",
number="4",
pages="6-7",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0042-4455",
doi="",
url="http://dx.doi.org/"
}