@book{Steiner+2015,
url = {https://doi.org/10.3790/9783428547173},
title = {Verfassungsfragen der dualen Krankenversicherung},
title = {},
author = {Udo Steiner},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428547173},
isbn = {9783428547173},
year = {2015},
lastchecked = {2015}
}