Technometrics 1990. 32 :371-384
.@article{CIS-96771, Author = {Reynolds, Marion R., Jr and Amin, Raid W. and Arnold, Jesse C.}, Title = {CUSUM charts with variable sampling intervals (C/R: p385-396)}, Journal = {Technometrics}, Volume = {32}, Year = {1990}, Pages = {371--384}, Keywords = {Markov chain} }