@article{Groenke1997,
  author    = {Gr{\"o}nke, Ottokar},
  title     = {Symjency},
  isbn      = {3-7420-1115-4},
  year      = {1997},
  language  = {mul}
}
@article{Norberg1998,
  author    = {Norberg, Madlena},
  title     = {Serbska rec w Dolnej Luzycy - na psiklaze jsy Hochoze},
  year      = {1998},
  language  = {mul}
}
@book{Puskin2000,
  author    = {Puskin, Alexandr Sergeevic},
  title     = {Wubrane basni : we dwema recoma ; posconk k 200. narodnemu dnju basnika},
  series = {Potsdamer Beitr{\"a}ge zur Sorabistik},
  volume    = {2},
  journal   = {Potsdamer Beitr{\"a}ge zur Sorabistik},
  publisher = {Univ.},
  address   = {Potsdam},
  pages     = {176 S. : Ill.},
  year      = {2000},
  language  = {mul}
}
@book{Kunze2001,
  author    = {Kunze, Peter},
  title     = {Serby w Dolnej Luzycy},
  series = {Potsdamer Beitr{\"a}ge zur Sorabistik},
  volume    = {4},
  journal   = {Potsdamer Beitr{\"a}ge zur Sorabistik},
  publisher = {Univ.},
  address   = {Potsdam},
  issn      = {1615-2476},
  pages     = {68 S.},
  year      = {2001},
  language  = {mul}
}