@misc{indiciaed6888171c647,
  title = {Progress on Experimental Impact Studies},
  author = {Hartmann, W. K. and Davis, D. R. and Weidenschilling, S. J.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850015223},
  note = {Source identifier: 19850015223}
}