@article{ref1,
title="Human control of the skateboard",
journal="Journal of biomechanics",
year="1980",
author="Hubbard, M.",
volume="13",
number="9",
pages="745-754",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9290",
doi="",
url="http://dx.doi.org/"
}