@article{ref1,
title="Exercise for the elderly: recreation and therapy",
journal="Aging and leisure living",
year="1978",
author="Lam, J. W. and Tillock, E. E.",
volume="1",
number="2",
pages="4-8",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0194-455X",
doi="",
url="http://dx.doi.org/"
}