References
- Robust Estimates of Location: Survey and Advances Anderws, D. F.;Bickel, P. J.;Hampel, F. R.;Huber, P. J.;Rogers, W. H.;Tukey, J. W.
- Robust Statistics, The approach based on influence functions Hampel, F. R.;Ronchetti, E. M.;Rousseeuw, P. J.;Stahel, W. A.
- The Annals of Mathematical statistics v.35 Robust estimation of a location parameter Huber, P. J.
- Robust Statistics Huber, P. J.
- Robust estimation and testing Staudte, R. G.;Sheather, S. J.