@article{ref1,
title="Stockholm's transport for elderly and handicapped: an integrated model",
journal="Transportation planning and technology",
year="1979",
author="Bell, William G. and Bell, Robert S.",
volume="5",
number="2",
pages="79-86",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0308-1060",
doi="10.1080/03081067908717150",
url="http://dx.doi.org/10.1080/03081067908717150"
}