@article{e7a67a9c6cc94929a538ee9237a1d99a,
title = "Identifying the time of a step change in a normal process variance",
keywords = "Change point estimation, Dispersion control charts, Process improvement, Quality control, R chart, S chart, Special-cause identification, Statistical process control",
author = "Samuel, {Thomas R.} and Pignatiello, {Joseph J.} and Calvin, {James A.}",
year = "1998",
doi = "10.1080/08982119808919167",
language = "English (US)",
volume = "10",
pages = "529--538",
journal = "Quality Engineering",
issn = "0898-2112",
publisher = "Taylor and Francis Ltd.",
number = "3",
}