@misc{Nimmervoll,
  author    = {Nimmervoll, Alexander},
  title     = {Outlook CalDav Synchronizer},
  subject      = {Collaboration},
  language  = {en}
}
@article{Sommer,
  author    = {Sommer, Thomas},
  title     = {Cloudifizierung der Netze - Network as a Service},
  series = {ISPA-Academy 2016},
  journal   = {ISPA-Academy 2016},
  subject      = {Cloud},
  language  = {de}
}
@misc{Sommer,
  author    = {Sommer, Thomas},
  title     = {Cloudifizierung der Netze - Network as a Service},
  subject      = {Cloud},
  language  = {de}
}