1. Iglewicz, B., Hoaglin, D.: How to Detect and Handle Outliers. ASQC Quality Press, Milwaukee (1993)
2. Barnett, V., Lewis, T.: Outliers in Statistical Data. Wiley, New York (1994)
3. Davies, L., Gather, U.: The identification of multiple outliers. J. Am. Stat. Assoc. 88(423), 782–792 (1993)
4. Thode, H.C.: Testing for Normality. Marcel Dekker, New York (2002)
5. ISO 16269-4:2010: Statistical interpretation of data—Part 4: Detection and treatment of outliers (2010)