@InProceedings{bigdelou2011ipcai,
  author = 	 {Bigdelou, A., Sterner, T., Wiesner, S., Wendler, T., Matthes, F., Navab, N.},
  title = 	 {OR Specific Domain Model for Usability Evaluations of Intra-Operative Systems},
  booktitle = {Information Processing in Computer Assisted Interventions (IPCAI)},
  year = {2011}
}