@article{ref1,
title="Designation of various concepts in social insurance, with special reference to the regulations on lawful accident insurance",
journal="Medizinische Klinik [Urban und Schwarzenberg]",
year="1963",
author="Hammann, H.",
volume="58",
number="",
pages="777-782",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0025-8458",
doi="",
url="http://dx.doi.org/"
}