@article{ref1,
title="Using ergonomic investigations to improve stepladder safety",
journal="International journal for consumer and product safety",
year="1998",
author="Norris, B. and Lawrence, Kenneth and Hopkinson, N and Wilson, John R.",
volume="5",
number="2",
pages="75-83",
abstract="Abstract unavailable.<p />",
language="",
issn="1387-3059",
doi="",
url="http://dx.doi.org/"
}