Nabavi et al. Image Guided Neurosurgery Visualization of Brain Shift. In Navigated Brain Surgery, pp 17-26. Eds. Spetzger, Stiehl, Gilsbach, ISBN 3-89653-553-6, Aachen 1999. SPL Technical Report #124, posted July 1999.
	D. Gering. A System for Surgical Planning and Guidance using Image Fusion and Interventional MR. MIT Master's Thesis, 1999.	9.8M 22M