@article{Moreira:2009,
  author  = "E. Moreira and J. Mexia and M. Fonseca and R. Zmyślony",
  title   = "L models and multiple regressions designs",
  journal = "Statistical Papers",
  volume  = "Vol. 50",
  number  = "no 4",
  pages   = "869--885",
  year    = "2009",
}