@article{articleab7f845a,
title   = {Split-plot designs and normal probability graphs for the optimization of chemical systems},
author = {Bortoloti, João Alexandre and Borges, Cleber N. and Bruns, Roy Edward},
year = {2005},
doi = {10.1016/j.aca.2005.01.021},
journal   = {Analytica Chimica Acta}
}