@conference {Soehl2014,
	title = {Tracked ultrasound calibration studies with a phantom made of LEGO(r) bricks},
	booktitle = {SPIE Medical Imaging 2014},
	volume = {9036},
	year = {2014},
	month = {03/2014},
	pages = {90362R},
	address = {San Diego, United States, March 12, 2014},
	doi = {10.1117/12.2044121},
	author = {Marie Soehl and Ryan Walsh and Adam Rankin and Andras Lasso and Gabor Fichtinger}
}
