@article {maronna1993bias,
	title = {Bias-robust regression estimation: A partial survey},
	journal = {New Directions in Statistical Data Analysis and Robustness, eds. S. Morgenthaler, E. Ronchetti and WA Stahel, Birkh auser, Basel},
	year = {1993},
	pages = {157{\textendash}176},
	author = {Maronna, Ricardo A and Yohai, V{\'\i}ctor J and Zamar, Ruben J}
}
