@article{econhot_econhot-cited-efda1f3fcfb09f34,
  title = {Small Sample Inference for Fixed Effects from Restricted Maximum Likelihood},
  author = {Michael G. Kenward and James Roger},
  journal = {Biometrics},
  year = {1997},
  volume = {53},
  number = {3},
  pages = {983},
  doi = {10.2307/2533558},
  url = {https://doi.org/10.2307/2533558}
}