Hausheer, HeinzHeinzHausheerReusser, RuthRuthReusserGeiser, ThomasThomasGeiser2023-04-132023-04-131996https://www.alexandria.unisg.ch/handle/20.500.14171/62775deBerner Kommentar II/1/3/2 : Art. 221-246 ZGB, Art. 247-241 ZGBbook