References
- Morton Klein, (2000,October), Two Alternatives to The Shewhart X-Bar Control Chart, Journal of Quality Technology, No.4
- Hurwitz, A. M. and Mathur, M (1992), A Very Simple Set of Process Control Rules. Quality Engineering, No.5, pp. 21-29
- Nelson, L.S.(1984), The Shewhart Control Chart-Tests for special causes. Journal of Quality Technology, No.16, pp. 237-239
- Andrew C. Palm, (1990,October), Tables Of Run Length Percentiles For Determining The Sensitivity Of Shewhart Control Charts For Averages With Supplementary Run Rules, Journal of Quality Technology, Vol. 22, No.4