@article{ref1,
title="Research on exercise programs—an approach of technological science",
journal="European review of aging and physical activity",
year="2009",
author="Brach, Michael",
volume="6",
number="2",
pages="63-65",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1813-7253",
doi="10.1007/s11556-009-0053-x",
url="http://dx.doi.org/10.1007/s11556-009-0053-x"
}