@article{coin-smura-autio-hammainen,
  author = {Eino Kivisaari and Tuukka Autio and Timo Smura and Heikki H{\"a}mm{\"a}inen},
  title = {Operator Roles in Mobile Broadcast},
  year = {2008},
  journal = {Nordic and Baltic Journal of Information and Communication Technologies},
  volume = {2},
  number = {1},
  pages = {48--60},
  url = {http://www.nbict.net/},
}