@article{ref1,
title="Prevention of slip and fall injuries: part II",
journal="Professional safety, journal of the American Society of Safety Engineers",
year="1982",
author="Szymusiak, S. M. and Ryan, J. P.",
volume="27",
number="7",
pages="30-35",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0099-0027",
doi="",
url="http://dx.doi.org/"
}