@book{PetersenMedicus2021,
  author    = {Jens Petersen and Dieter Medicus},
  title     = {Grundwissen zum B{\"u}rgerlichen Recht},
  edition   = {12., neu bearb.},
  series    = {ein Basisbuch zu den Anspruchsgrundlagen},
  isbn      = {978-3-8006-6525-9},
  doi       = {10.15358/9783800665266},
  year      = {2021},
}