@conference {Rivaz2007a,
	title = {A robust meshing and calibration approach for sensorless freehand 3D ultrasound},
	booktitle = {Medical Imaging 2007: Ultrasonic Imaging and Signal Processing},
	volume = {6513},
	number = {1},
	year = {2007},
	pages = {651318},
	publisher = {SPIE},
	organization = {SPIE},
	doi = {10 1117/12 712423},
	url = {http://link aip org/link/?PSI/6513/651318/1},
	author = {Hassan Rivaz and Emad Boctor and Gabor Fichtinger}
}
