References
- Burr, I. W. (1967). “The Effect of Non-Normality on Constants for X̄ and R Charts”. Industrial Quality Control 23 (11), pp. 563–569.
- Deming, W. E. (1976). “On the Use of Judgement Samples”. Reports of Statistical Applications, Japanese Union of Scientists and Engineers 23, pp. 25–31.
- Nelson, L. S. (1988). “Control Charts: Rational Subgroups and Effective Applications”. Journal of Quality Technology 20, pp. 73–75.
- Shewhart, W. A. (1939). Statistical Method from the Viewpoint of Quality Control. Graduate School of the Department of Agriculture, Washington, D. C.
- Wheeler, D. J. (1991). “Shewhart's Charts: Myths, Facts, and Competitors”. ASQC Quality Congress Transactions, pp. 533–538.