[ Over: Hawkins, D.M., D.H. Olwell. Cumulative sum charts and charting for quality improvement. Berlin: Springer-Verlag, 1998] / A. di Bucchianico

[ Over: Hawkins, D.M., D.H. Olwell. Cumulative sum charts and charting for quality improvement. Berlin: Springer-Verlag, 1998] / A. di Bucchianico