@misc{Freudenreich2011,
  author    = {Freudenreich, Johannes},
  title     = {Presidents, parties and prime ministers how the separation of powers affects party organization and behavior},
  series = {Politische Vierteljahresschrift : Zeitschrift der Deutschen Vereinigung f{\"u}r Politische Wissenschaft},
  volume    = {52},
  journal   = {Politische Vierteljahresschrift : Zeitschrift der Deutschen Vereinigung f{\"u}r Politische Wissenschaft},
  number    = {3},
  publisher = {Nomos},
  address   = {Hannover},
  issn      = {0032-3470},
  pages     = {576 -- 578},
  year      = {2011},
  language  = {de}
}
@phdthesis{Freudenreich2013,
  author    = {Freudenreich, Johannes},
  title     = {Coalition Formation in Presidential Systems},
  pages     = {xii, 329},
  year      = {2013},
  language  = {en}
}