References
- Western Electric Company, Statistical Quality Control Handbook, 2nd Ed., AT&T Technologies , Indianapolis , IN , 1958 .
- Champ , C.W. ., and Woodall , W.H. ., Exact results for Shewart control charts with supplementary runs rules, Technometrics , 29 , 393 – 399 , 1987 .
- Wetherill , G.B ., Sampling Inspection and Quality Control, Science Paperbacks , London , 1982 .