@book{Käßer+2023,
url = {https://doi.org/10.3790/9783428444502},
title = {Der fehlerhafte Arbeitsvertrag},
title = {},
author = {Petra Käßer},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428444502},
isbn = {9783428444502},
year = {1979},
lastchecked = {2023}
}