@article{abdelsalam2013semiparametric,
  author = {Abdel-Salam G. Abdel-Salam and Jeffrey B. Birch and Willis A. Jensen},
  title = {A Semiparametric Mixed Model Approach to Phase I Profile Monitoring},
  year = {2013},
  journal = {Quality and Reliability Engineering International},
  volume = {29},
  number = {4},
  pages = {555--569},
  publisher = {Wiley},
  doi = {10.1002/qre.1405}
}