@article{momi-verkasalo-2008a,
  author = {Hannu Verkasalo},
  title = {Contextual Patterns in Mobile Service Usage},
  journal = {Journal of Personal and Ubiquitous Computing},
  volume = {13},
  number = {5},
  pages = {331-342},
  year = {2009},
}

@inproceedings{momi-verkasalo-2008a,
  title = {Strategic Analysis of Mobile Internet Business Models},
  author = {Hannu Verkasalo},
  booktitle = {EuroCPR, Seville, Spain},
  year = {2008},
  month = {March},
  url = {},
}