@misc{indiciae6bc61e12b09a,
  title = {Deep Impact: 19 gigajoules can make quite an impression},
  author = {Kubitschek, D. and Bank, T. and Frazier, W. and Blume, W. and Null, G. and Mastrodemos, N. and Synnott, S.},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20060031088},
  note = {Source identifier: 20060031088}
}