@article{ref1,
title="Age effects in proprioceptive feedback performance",
journal="Gerontologia clinica",
year="1973",
author="Levin, H. S. and Benton, A. L.",
volume="15",
number="3",
pages="161-169",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0016-8998",
doi="",
url="http://dx.doi.org/"
}