@misc{coin-kiiski-2007,
  author = {Annukka Kiiski},
  year = {2007},
  title = {Impacts of Virtual Operators on Mobile Market},
  howpublished = {{\em Licentiate thesis}, Helsinki University of Technology},
  school = {Helsinki University of Technology},
  type = {Licentiate thesis},
  url = {http://www.netlab.tkk.fi/~aahonen/kiiski-licentiate.pdf},
}