@article{ref1,
title="Fall protection for wood pole climbing",
journal="Occupational health and safety",
year="2011",
author="Petty, Clifford",
volume="80",
number="1",
pages="18-20",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0362-4064",
doi="",
url="http://dx.doi.org/"
}