@article{1309616,
  author = {et L. Medeiros al.},
  title = {Principal Component Analysis as a Tool for Characterizing Black Hole Images and Variability},
  year = {2018},
  journal = {ApJ},
  volume = {864},
  pages = {7},
  url = {https://iopscience.iop.org/article/10.3847/1538-4357/aad37a},
  language = {eng},
}