@article{ref1,
title="Helicopter rotor-blade injuries",
journal="Aerospace medicine",
year="1965",
author="Kiel, F. W.",
volume="36",
number="",
pages="668-670",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}