@book{Leisner+2019,
url = {https://doi.org/10.3790/9783428432295},
title = {Sozialversicherung und Privatversicherung},
title = {Dargestellt am Beispiel der Krankenversicherung},
author = {Walter Leisner},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428432295},
isbn = {9783428432295},
year = {1974},
lastchecked = {2019}
}