References
- AT&T Technologies , Statistical Quality Control Handbook ; 2nd ed. Indianapolis , 1958 .
- Grant , E. L. and R. S. Leavenworth , Statistical Quality Control . McGraw-Hill , New York , 1988 .
- Krishnamoorthi , K. S. , Quality Control for Operators and Foremen . Quality Press , Milwaukee , 1989 .
- Muthler , D. L. , A Comprehensive Approach to Planning for Process Control . Ernst & Whinney , Chicago , IL , 1986 .