@article{ref1,
title="The effects of transportation and distance on voluntary association participation among the aged",
journal="International journal of aging and human development",
year="1974",
author="Cutler, S. J.",
volume="5",
number="1",
pages="81-94",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0091-4150",
doi="",
url="http://dx.doi.org/"
}