@incollection{Sommermann2018,
  author    = {Karl-Peter Sommermann},
  title     = {Offene Staatlichkeit: Deutschland},
  series = {Handbuch Ius Publicim Europaeum, Band 2},
  editor    = {Armin von Bogdandy and Pedro Cruz Villal{\´o}n and Peter M. Huber},
  publisher = {M{\"u}ller},
  address   = {Heidelberg},
  isbn      = {978-3-8114-6301-1},
  pages     = {3 -- 35},
  year      = {2018},
  abstract  = {.},
  language  = {de}
}