@article{momi-smura-kivi-toyli-2009a,
  author = {Timo Smura and Antero Kivi and Juuso T{\"o}yli},
  title = {A Framework for Analysing the Usage of Mobile Services},
  journal = {INFO - The journal of policy, regulation and strategy for telecommunications, information and media},
  volume = {11},
  number = {4},
  pages = {53-67},
  year = {2009},
  month = {},
  url = {http://dx.doi.org/10.1108/14636690910970973},
}