@book{WoerlenMetzlerMuellerBalleisetal.2023, author = {W{\"o}rlen, Rainer and Metzler-M{\"u}ller, Karin and Balleis, Kristina and Kokemoor, Axel}, title = {BGB AT}, publisher = {Vahlen}, address = {M{\"u}nchen}, isbn = {978-3-8006-6833-5}, pages = {259}, year = {2023}, subject = {Deutschland}, language = {de} }