@article{article208d0ece,
title   = {GS²: an optimized attribute control chart to monitor process variability},
author = {Bezerra, Erica Leandro and Ho, Linda Lee and Quinino, Roberto da Costa},
year = {2018},
doi = {10.1016/j.ijpe.2017.10.023},
journal   = {International Journal of Production Economics}
}