@book{Piwowar2017,
  author    = {J{\"u}rgen Piwowar},
  title     = {Drei gut vergleichbare Varianten vom Struwwelpeter in M{\"u}nsterer Mundart},
  edition   = {2. Auflage},
  volume    = {2017},
  number    = {Stand: 23.11.2016},
  year      = {2017},
}