@article{DBLP:journals/pervasive/BallagasBRS06,
  author    = {Rafael Ballagas and
               Jan Borchers and
               Michael Rohs and
               Jennifer G. Sheridan},
  title     = {The Smart Phone: A Ubiquitous Input Device},
  journal   = {IEEE Pervasive Computing},
  volume    = {5},
  number    = {1},
  year      = {2006},
  pages     = {70-77},
  ee        = {http://doi.ieeecomputersociety.org/10.1109/MPRV.2006.18},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}