@incollection{Klein2017,
  author    = {Klein, Eckart},
  title     = {Seat and Symbols of the Council of Europe},
  series = {The Council of Europe : its law and politics},
  booktitle = {The Council of Europe : its law and politics},
  editor    = {Schmahl, Stefanie and Breuer, Marten},
  publisher = {Oxford University Press},
  address   = {Oxford},
  isbn      = {978-0-19-967252-3},
  pages     = {93 -- 107},
  year      = {2017},
  language  = {en}
}
@incollection{Klein2017,
  author    = {Klein, Eckart},
  title     = {Membership and Observer Status},
  series = {The Council of Europe : its law and politics},
  booktitle = {The Council of Europe : its law and politics},
  editor    = {Schmahl, Stefanie and Breuer, Marten},
  publisher = {Oxford University Press},
  address   = {Oxford},
  isbn      = {978-0-19-967252-3},
  pages     = {41 -- 92},
  year      = {2017},
  language  = {en}
}