@article{ref1,
title="The mobility of older people - an introduction",
journal="Journal of transport geography",
year="2010",
author="Schwanen, Tim and Paez, Antonio",
volume="18",
number="5",
pages="591-595",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0966-6923",
doi="10.1016/j.jtrangeo.2010.06.001",
url="http://dx.doi.org/10.1016/j.jtrangeo.2010.06.001"
}