@article{ref1,
title="Preface to the special section on occupational fall prevention and protection",
journal="Human factors",
year="2012",
author="Hsiao, Hongwei and Armstrong, Thomas J.",
volume="54",
number="3",
pages="301-302",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}