@article{ref1,
title="A fall protection guide to working at heights",
journal="Occupational health and safety",
year="2016",
author="Irwin, Chris and Grasha, Grant",
volume="85",
number="7",
pages="84-85",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0362-4064",
doi="",
url="http://dx.doi.org/"
}