@article{SteingroeverKiel2009,
  author    = {Steingr{\"o}ver, M. and Kiel, B.},
  title     = {Infrastructure Sharing - Renaissance in Wholesale Partnerships},
  series = {Detecon Executive Briefing},
  journal   = {Detecon Executive Briefing},
  year      = {2009},
  language  = {mul}
}