@misc{Sommer,
  author    = {Sommer, Thomas},
  title     = {Konvergenz von intelligenten Energie- und Telekommunikationsnetzen},
  subject      = {Telecommunication},
  language  = {de}
}
@inproceedings{WirsingReichlEhrleretal.,
  author    = {Wirsing, Stephan and Reichl, Wolfgang and Ehrler, Matthias and Malleck, H.},
  title     = {Energy and Communication Access Networks — Bridging the Divide: Approaches for Policy Intervention},
  series = {Proceedings of Smart Grid Technology, Economics and Policies (SG-TEP), 2012},
  booktitle = {Proceedings of Smart Grid Technology, Economics and Policies (SG-TEP), 2012},
  subject      = {Energy},
  language  = {en}
}
@misc{WirsingReichlEhrleretal.,
  author    = {Wirsing, Stephan and Reichl, Wolfgang and Ehrler, Matthias and Malleck, H.},
  title     = {Energy and Communication Access Networks: Bridging the Divide},
  subject      = {Energy},
  language  = {en}
}