@mastersthesis{coin-kivi-2006,
  author = {Antero Kivi},
  title = {Mobile Internet usage measurements - Case Finland},
  school = {Helsinki University of Technology},
  year = {2006},
  type = {Master's thesis},
  url = {http://www.netlab.tkk.fi/u/jakivi/publications/Kivi_Thesis_Final.pdf},
}