@book{Koller+2019,
url = {https://doi.org/10.3790/9783428462087},
title = {Neue Theorien des Sozialkontrakts},
title = {},
author = {Peter Koller},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428462087},
isbn = {9783428462087},
year = {1987},
lastchecked = {2019}
}