@inbook {tristan2009bias,
	title = {Bias of least squares approaches for diffusion tensor estimation from array coils in DT{\textendash}MRI},
	booktitle = {Medical Image Computing and Computer-Assisted Intervention{\textendash}MICCAI 2009},
	year = {2009},
	pages = {919{\textendash}926},
	publisher = {Springer Berlin Heidelberg},
	organization = {Springer Berlin Heidelberg},
	author = {Antonio Trist{\'a}n-Vega and Carl-Fredik Westin and Santiago Aja-Fern{\'a}ndez}
}
