@article{ref1,
title="The effects of physical conditioning on older individuals. II. Motor performance and cognitive function",
journal="Journal of gerontology",
year="1966",
author="Barry, A. J. and Steinmetz, J. R. and Page, H. F. and Rodahl, K.",
volume="21",
number="2",
pages="192-199",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1422",
doi="",
url="http://dx.doi.org/"
}