@misc{indiciae1ebf47ca9efc,
  title = {Popigai Impact Structure Modeling: Morphology and Worldwide Ejecta},
  author = {Ivanov, B. A. and Artemieva, N. A. and Pierazzo, E.},
  year = {2004},
  url = {https://ntrs.nasa.gov/citations/20040065760},
  note = {Source identifier: 20040065760}
}