@article{Jasper2003,
  author    = {Jasper, Willi},
  title     = {"Berlin Alexanderplatz" Mythos und Literatur der Metropole},
  isbn      = {3-89809-034-5},
  year      = {2003},
  language  = {de}
}
@book{Jasper2003,
  author    = {Jasper, Willi},
  title     = {Ludwig B{\"o}rne - keinem Vaterland geboren : eine Biographie},
  series = {AtV},
  volume    = {1918},
  journal   = {AtV},
  publisher = {Aufbau-Taschenbuch-Verl.},
  address   = {Berlin},
  isbn      = {3-7466-1918-1},
  pages     = {331 S. : Ill.},
  year      = {2003},
  language  = {de}
}
@article{Jasper2003,
  author    = {Jasper, Willi},
  title     = {Faust and the Germans},
  isbn      = {0-8204-6833-9},
  year      = {2003},
  language  = {en}
}