REFERENCES
- MacGregor , J. F. 1988 . “On-Line Statistical Process Control,” . Chemical Engineering Progress , 84 : 21 – 1 .
- MacGregor , J. F. and Harris , T. J. 1990 . Discussion of “Exponentially Weighted Moving Average Control Schemes: Properties and Enhancements,” . Technometrics. , 32 : 23 – 26 . by J. M. Lucas and M. S. Saccucci