@article {tristan2012least,
	title = {Least squares for diffusion tensor estimation revisited: Propagation of uncertainty with Rician and non-Rician signals},
	journal = {NeuroImage},
	volume = {59},
	number = {4},
	year = {2012},
	pages = {4032{\textendash}4043},
	publisher = {Academic Press},
	author = {Antonio Trist{\'a}n-Vega and Santiago Aja-Fern{\'a}ndez and Carl-Fredik Westin}
}
