@article{ref1,
title="Slipping and the penalties inflicted generally by the law of gravitation",
journal="Journal of the Society of Occupational Medicine",
year="1988",
author="Manning, D. P.",
volume="38",
number="4",
pages="123-127",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0301-0023",
doi="",
url="http://dx.doi.org/"
}