@article{ref1,
title="Transportation for the elderly: towards a user-friendly combination of private and public transport",
journal="IATSS research",
year="1996",
author="Schlag, Bernhard and Schwenkhagen, U and Trankle, U.",
volume="20",
number="1",
pages="75-82",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}