@mastersthesis{otasizzle-tirkkonen-2008,
  author = {Niklas Tirkkonen},
  title = {Integration of end-user research to mobile service development},
  school = {Helsinki University of Technology},
  year = {2008},
  type = {Master's thesis},
  url = {http://lib.tkk.fi/Dipl/2008/urn012854.pdf},
}