1. The Design of the ARL‐Unbiased S2 Chart When the In‐Control Variance Is Estimated. (12th November 2013) Authors: Guo, Baocai; Wang, Bing Xing Journal: Quality and reliability engineering international Issue: Volume 31:Number 3(2015:Apr.) Page Start: 501 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗