@misc{Sorge2013,
  author    = {Sorge, Arndt},
  title     = {Disintegrating Democracy at Work: Labor Unions and the Future of Good Jobs in the Service Economy},
  series = {British journal of industrial relations : an international journal of employment relations},
  volume    = {51},
  journal   = {British journal of industrial relations : an international journal of employment relations},
  number    = {1},
  publisher = {Wiley-Blackwell},
  address   = {Hoboken},
  issn      = {0007-1080},
  doi       = {10.1177/0094306113514539i},
  pages     = {2},
  year      = {2013},
  language  = {en}
}
@misc{Hartmann2013,
  author    = {Hartmann, Eddie},
  title     = {Social order and violence. - commenting on recent literature on research of violence},
  series = {Berliner Journal f{\"u}r Soziologie = Journal de sociologie de Berlin},
  volume    = {23},
  journal   = {Berliner Journal f{\"u}r Soziologie = Journal de sociologie de Berlin},
  number    = {1},
  publisher = {Springer},
  address   = {Wiesbaden},
  issn      = {0863-1808},
  doi       = {10.1007/s11609-013-0211-x},
  pages     = {115 -- 131},
  year      = {2013},
  language  = {de}
}
@misc{Kumarasingham2013,
  author    = {Kumarasingham, Harshan},
  title     = {Semi-presidentialism and democracy},
  series = {Political studies review},
  volume    = {11},
  journal   = {Political studies review},
  number    = {2},
  publisher = {Wiley-Blackwell},
  address   = {Hoboken},
  issn      = {1478-9299},
  doi       = {10.1111/1478-9302.12016_10},
  pages     = {263 -- 264},
  year      = {2013},
  language  = {en}
}