@article{ref1,
title="Aging and recreation",
journal="Journal of gerontology",
year="1962",
author="Zborowski, M.",
volume="17",
number="",
pages="302-309",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1422",
doi="",
url="http://dx.doi.org/"
}