@conference {Boctor2004,
	title = {A novel closed form solution for ultrasound calibration},
	booktitle = {Procedings IEEE International Symposium on Biomedical Imaging: Nano to Macro},
	year = {2004},
	month = {15{\textendash}18 April},
	pages = {527{\textendash}530},
	doi = {10 1109/ISBI 2004 1398591},
	author = {Emad Boctor and Anand Viswanathan and Michael Choti and Russell H. Taylor and Gabor Fichtinger and Gregory D. Hager}
}
