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2. “Bayesian Analysis of Some Outlier Problems in Time Series,”;Abraham;Biometrika,1979
3. Statistical Analysis: A Computer Oriented Approach;Afifi,1979
4. “Mixture Models, Outliers and the EM Algorithm,”;Aitken;Technometrics,1980
5. “Finding the Outliers that Matter,”;Andrews;J. Roy. Statist. Soc. B,1978