@article{ref1,
title="Medical data processing by the German federal railroad",
journal="Methods of information in medicine. Supplement",
year="1976",
author="Wirth, R.",
volume="9",
number="",
pages="369-372",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0580-9525",
doi="",
url="http://dx.doi.org/"
}