@inproceedings{coin-verkasalo-2006a,
  title = {Mobile Data Service Evolution - Empirical Implications from Europe and the USA},
  author = {Hannu Verkasalo},
  booktitle = {3rd International CICT Conference, November 30 -- December 1, 2006, Denmark},
  year = {2006},
  month = {Aug.},
  url = {},
}