@article{Brell.2009,
 author = {Brell, M. and Hein, A.},
 title = {Tactile Guidance in Multimodal Computer Navigated Surgery},
 year = {2009},
 pages = {30–35},
 volume = {28(4)},
 journal = {IEEE Potentials Magazine},
 doi = {10.1109/MPOT.2009.932495},
}