@BOOK{zpo,
  author     = {Adolf Baumbach and Wolfgang Lauterbach
                and Jan Albers and Peter Hartmann},
  title      = {Zivilproze\ss ordnung mit
                Gerichtsverfassungsgesetz und anderen
                Nebengesetzen},
  shorttitle = {ZPO},
  language   = {ngerman},
  edition    = {59. neubearb.},
  year       = 2002,
  address    = {M\"unchen}
}
@BOOK{aschur,
  author     = {Hans Brox and Wolf-Dietrich Walker},
  title      = {Allgemeines Schuldrecht},
  language   = {ngerman},
  edition    = {29.},
  year       = 2003,
  address    = {M\"unchen}
}
  @BOOK{bschur,
    author     = {Hans Brox and Wolf-Dietrich Walker},
    title      = {Besonderes Schuldrecht},
    shorttitle = {BSchuR},
    language   = {ngerman},
    edition    = {27.},
    year       = 2002,
    address    = {M\"unchen}
  }
  @BOOK{bgb,
    author     = {Otto Palandt},
    shortauthor= {Otto Palandt},
    title      = {B\"urgerliches Gesetzbuch},
    shorttitle = {BGB},
    language   = {ngerman},
    edition    = {62.},
    year       = 2003,
    publisher  = {Beck Juristischer Verlag},
    address    = {M\"unchen}
  }
