1. Albin, S. A. , L. Kang , G. Shea . 1997. An X and EWMA chart for individual observations. J. Qual. Technol. 29 (1): 41-48.
2. Al-Sultan, K. S., M. A.Rahim eds. 1997. Optimization in Quality Control. Kluwer, Dordrecht, MA.
3. Banerjee, P. K. , M. A. Rahim . 1988. Economic design of control charts under Weibull Shock Models. Technometrics 30 (4): 407-414.
4. Barish, N. N. , N. Hauser . 1963. Economic design for control decisions. J. Ind. Eng. 14 (3): 125-134.
5. Bather, J. A. 1963. Control charts and minimization of costs. J. R. Stat. Soc. Ser. B 25 (1): 49-80.