@article{ref1,
title="Low-seated, arm- and leg-driven bicycle--also for use of the one-armed",
journal="Medizinische technik",
year="1950",
author="Rinkowski, P.",
volume="4",
number="4",
pages="74-74",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0025-8504",
doi="",
url="http://dx.doi.org/"
}