@article{ref1,
title="Morale and informal activity with friends among black and white elderly",
journal="Gerontologist",
year="1979",
author="Creecy, R. F. and Wright, R.",
volume="19",
number="6",
pages="544-547",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0016-9013",
doi="",
url="http://dx.doi.org/"
}