@article{1309614,
  author = {Y. Mizuno and Z. Younsi and C. M. Fromm and O. Porth and M. De Laurentis and H. Olivares and H. Falcke and M. Kramer and L. Rezzolla},
  title = {The current ability to test theories of gravity with black hole shadows},
  year = {2018},
  journal = {Nat. Astro. (Letter)},
  language = {eng},
}