@unpublished{EcksteinWiemann2013,
  author    = {Eckstein, Lars and Wiemann, Dirk},
  title     = {Introduction},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus4-85457},
  year      = {2013},
  language  = {en}
}
@article{WiemannEckstein2013,
  author    = {Wiemann, Dirk and Eckstein, Lars},
  title     = {Introduction : towards a cultural politics of passion},
  isbn      = {978-3-631-60196-9},
  year      = {2013},
  language  = {en}
}