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General - The State of Statistical Process Control as We Proceed into the 21st Century
Stoumbos, Zachary G., (2000)
ARTICLES - Monitoring the Process Mean and Variance Using Individual Observations and Variable Sampling Intervals
Reynolds Jr, Marion R., (2001)
Combinations of Multivariate Shewhart and MEWMA Control Charts for Monitoring the Mean Vector and Covariance Matrix
Reynolds Jr, Marion R., (2008)