@article {martin1993bias,
	title = {Bias robust estimation of scale},
	journal = {The Annals of Statistics},
	volume = {21},
	number = {2},
	year = {1993},
	pages = {991{\textendash}1017},
	publisher = {Institute of Mathematical Statistics},
	author = {Martin, R Douglas and Zamar, Ruben H and others}
}
