@misc{indiciae6a886271e675,
  title = {Planetary science},
  author = {Marshall, John R. and Bridges, Frank and Gault, Donald and Greeley, Ronald and Houpis, Harry and Lin, Douglas and Weidenschilling, Stuart},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19880005974},
  note = {Source identifier: 19880005974}
}