@misc{SteingroeverKiel2009,
  author    = {M. Steingr{\"o}ver and B. Kiel},
  title     = {Infrastructure Sharing - Renaissance in Wholesale Partnerships},
  booktitle = {Detecon Executive Briefing},
  institution = {Wirtschaft (MSB)},
  type      = {contributiontoperiodical},
  year        = {2009},
}