@book{NierhausUmbachWagner1996,
  author    = {Nierhaus, Michael and Umbach, Dieter C. and Wagner, Dieter},
  title     = {Schriftenreihe des Kommunalwissenschaftlichen Instituts der Universit{\"a}t Potsdam},
  editor    = {Richter, Martin and Jann, Werner and Loschelder, Wolfgang},
  publisher = {Duncker \& Humblot},
  address   = {Berlin},
  year      = {1996},
  language  = {de}
}