1. Bickel, P.J. and Lehmann, E.L. (1976), Descriptive Statistics for Nonparametric Models III: Dispersion. The Annals of Statistics, 4, 1139–1158.
2. ISO-5725 (1992), Accuracy (Trueness and Precision) of Test Measurements. International Organisation for Standardisation, Geneva, Switzerland.
3. Lischer, P. (1996), Robust Statistical Methods in Interlaboratory Analytical Studies. In: Robust Statistics, Data Analysis, and Computer Intensive Methods. Ed. H. Rieder, Springer, 251-264.
4. Mueller, C.H. (1995), Breakdown points for designed experiments. Journal of Statistical Planning and Inference, 45, 413–427.
5. Rousseeuw, P.J. and Croux, C. (1993a), Explicit Scale Estimators with High Breakdown Point. University of Antwerp, Department of Mathematics & Computer Science. Report 92-0988.