@article{ref1,
title="Productivity of vehicle transport for the elderly and handicapped",
journal="Transportation planning and technology",
year="1979",
author="Navin, Francis P. D.",
volume="5",
number="2",
pages="99-104",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0308-1060",
doi="10.1080/03081067908717152",
url="http://dx.doi.org/10.1080/03081067908717152"
}