@book{2015,
url = {https://doi.org/10.3790/9783428497843},
title = {Alternative Konzeptionen der sozialen Sicherung},
title = {},
author = {},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428497843},
isbn = {9783428497843},
year = {1999},
lastchecked = {2015}
}