Ming Ha Lee, Michael B. C. Khoo. Multivariate Synthetic |S| Control Chart with Variable Sampling Interval. Communications in Statistics - Simulation and Computation, 44(4):924-942, 2015. [doi]
@article{LeeK15, title = {Multivariate Synthetic |S| Control Chart with Variable Sampling Interval}, author = {Ming Ha Lee and Michael B. C. Khoo}, year = {2015}, doi = {10.1080/03610918.2013.796980}, url = {http://dx.doi.org/10.1080/03610918.2013.796980}, researchr = {https://researchr.org/publication/LeeK15}, cites = {0}, citedby = {0}, journal = {Communications in Statistics - Simulation and Computation}, volume = {44}, number = {4}, pages = {924-942}, }