1. W. L. Pearn, K. S. Chen, Multi-process performance
2. K. Linderman, R. G. Schroeder, S. Zaheer, A. S. Choo,
3. W. L. Pearn, K. S. Chen, One-sided capability indices Cpu and
4. A. V. Feigenbaum, Quality
5. G. Taguchi, S. Konishi, Taguchi Methods, Orthogonal Arrays and Linear