@article{FredebeulKreinSteingroever2009,
  author    = {Markus Fredebeul-Krein and Markus Steingr{\"o}ver},
  title     = {Next Generation Access Networks: Why is there a higher risk of investment and how to deal with it?},
  journal   = {Wettbewerbsprobleme im Internet / J{\"o}rn Kruse ... (Hrsg.). Mit Beitr. von: Patrick F. E. Beschorner ...},
  pages     = {83 -- 102},
  year      = {2009},
}