@article{Jann1994,
  author    = {Jann, Werner},
  title     = {Common security in the Baltic Sea region : the view from the German L{\"a}nder},
  year      = {1994},
  language  = {en}
}
@article{Jann1994,
  author    = {Jann, Werner},
  title     = {Cooperation in nothern Europe for an active society},
  year      = {1994},
  language  = {en}
}