@article{baayen2008,
  title={Mixed-effects modeling with crossed random effects for subjects and items},
  author={R. Harald Baayen and Douglas Davidson and Douglas M. Bates},
  year={2008},
  journal={Journal of Memory and Language},
  doi={10.1016/j.jml.2007.12.005},
  url={https://doi.org/10.1016/j.jml.2007.12.005}
}