@article{deb2019spatio,
  title={Spatio-temporal models with space-time interaction and their applications to air pollution data},
  author={Deb, Soudeep and Tsay, Ruey S},
  journal={Statistica Sinica},
  volume={29},
  number={3},
  pages={1181--1207},
  year={2019},
  publisher={JSTOR}
}