@book{Sönnichsen+2022,
url = {https://doi.org/10.3790/9783428474325},
title = {Rating-Systeme am Beispiel der Versicherungswirtschaft},
title = {},
author = {Christoph Sönnichsen},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428474325},
isbn = {9783428474325},
year = {1992},
lastchecked = {2022}
}