@article{ref1,
title="On the reduction of slip of rubber crutch-tips on wet pavement, snow, and ice",
journal="Bulletin of prosthetics research",
year="1970",
author="Kennaway, A.",
volume="10",
number="14",
pages="130-144",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-506X",
doi="",
url="http://dx.doi.org/"
}