@book{Oechsler1998,
  author    = {Oechsler, J{\"u}rgen},
  title     = {\S\S 826 - 829 BGB ; ProdHaftG. - 13. Bearb.},
  isbn      = {3-8059-0900-4},
  year      = {1998},
  language  = {de}
}
@book{Oechsler2003,
  author    = {Oechsler, J{\"u}rgen},
  title     = {Schuldrecht, besonderer Teil - Vertragsrecht},
  publisher = {Vahlen},
  address   = {M{\"u}nchen},
  isbn      = {3-8006-2891-0},
  pages     = {XXI, 512 S.},
  year      = {2003},
  language  = {de}
}