@InProceedings{ahmadi2009icar,
  author =       "Seyed-Ahmad Ahmadi and Tassilo Klein and Nassir Navab",
  title =        "Advanced Planning and Ultrasound Guidance for Keyhole Neurosurgery in ROBOCAST",
  booktitle =    "Russian Bavarian Conference (RBC)",
  address =      "Munich, GER",
  month =        "1-4 July",
  year =         "2009"
}