@ARTICLE{bihler-mobiwis2011,
  author = {Pascal Bihler and Paul Imhoff and Armin B. Cremers},
  title = {SmartGuide - {A} Smartphone Museum Guide with Ultrasound Control},
  journal = {Procedia CS},
  year = {2011},
  volume = {5},
  pages = {586--592},
  doi = {doi:10.1016/j.procs.2011.07.076},
  url = {http://www.sciencedirect.com/science/article/pii/S1877050911004017}
}