@article{Jurkowska:2014,
  author  = "B. Jurkowska",
  title   = "The Federal States of Germany - Analysis and Measurement of Developement Using Taxonomics Methods",
  journal = "Oeconomia Copernicana",
  volume  = "vol 5",
  number  = "issue 3",
  pages   = "49--73",
  year    = "2014",
}