1. Thyregod, P., Iwersen, J. and Melgaard, H. (2003) On monitoring processes and assessing process capability under a hierarchical model, Part 2. To appear in Frontiers in Statistical Quality Control 7, H.-J. Lenz, P.-Th. Wilrich (Eds.), Physica Verlag, 2003
2. Quality System Requirements, QS — 9000, 3rd edition, Automotive Industry Action Group, Soutfield, Michigan
3. Woodall, W.H., Thomas, E.W. (1995) Statistical Process Control With Several Components of Common Cause Variability. HE Transactions 27 757–764
4. Sparks, R. S., Field, J.F.B. (2000) Using Deming’s Funnel Experiment to Demonstrate Effects of Violating Assumptions Underlying Shewhart’s Control Charts. The American Statistician 54, 291–302.
5. Fisher, R.A. (1918) The Correlation Between Relatives on the Supposition of Mendelian Inheritance. Transactions of The Royal Society, Edinburgh 52 399–433