@article{ref1,
title="How to prevent falling accidents in construction industry",
journal="Journal of occupational accidents",
year="1990",
author="Lindblad, A",
volume="12",
number="1-3",
pages="104-104",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0376-6349",
doi="",
url="http://dx.doi.org/"
}