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On Best Equivariance and Admissibility of Simultaneous MLE for Mean Direction Vectors of Several Langevin Distributions
Sengupta, Ashis, (1998)
Bootstrapping for Significance of Compact Clusters in Multidimensional Datasets
Maitra, Ranjan, (2012)
Clustering in the Presence of Scatter
Maitra, Ranjan, (2009)