1. Robust Estimates of Location: Survey and Advances;Andrews,1972
2. A class of high-breakdown scale estimators based on subranges;Croux;Comm. Statist.—Theory Meth.,1992
3. Robust Statistics: The Approach Based on Influence Functions;Hampel,1986
4. Robust Statistics;Huber,1981
5. Finding Groups in Data: An Introduction to Cluster Analysis;Kaufman,1990