@article{ref1,
title="Rural-urban differences in senior center activities and services",
journal="Gerontologist",
year="1987",
author="Krout, J. A.",
volume="27",
number="1",
pages="92-97",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0016-9013",
doi="",
url="http://dx.doi.org/"
}