@article{articlea6c105ac,
title   = {Estimation in X-bar control charts: effects and corrections},
author = {Quinino, Roberto da Costa and Ho, Linda Lee and Trindade, Anderson Laécio Galindo},
year = {2014},
doi = {10.1007/s00170-013-5605-6},
journal   = {International Journal of Advanced Manufacturing Technology}
}