TY  - JOUR
AU  - Nien Zhang
AU  - P Winkel
C2  - Quality Engineering
DA  - 2010-01-20
LA  - en
PB  - Quality Engineering
PY  - 2010
TI  - Comparisons of Estimators of process standard deviation in constructing Shewhart control charts with unequal subgroup sizes
UR  - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=51243
ER  -