@book{FreyScheiweWersig2015,
  author    = {Wibke Frey and Kirsten Scheiwe and Maria Wersig},
  title     = {100 Jahre Witwen- und Witwerrenten - (k)ein Auslaufmodell?},
  publisher = {Nomos},
  address   = {Baden-Baden},
  pages     = {191},
  year      = {2015},
  language  = {de}
}