@article{momi-verkasalo-2008b,
  author = {Hannu Verkasalo},
  title = {Handset-Based Measurement of Mobile Service Demand and Value},
  journal = {INFO: The Journal of Policy, Regulation and Strategy},
  volume = {10},
  number = {3},
  pages = {51-69},
  year = {2008},
  month = {May},
}