@misc{indiciae728279121109,
  title = {Ups and downs in planetary science},
  author = {Carolyn S. Shoemaker},
  year = {1999},
  doi = {10.1146/annurev.earth.27.1.1},
  url = {https://pubs.usgs.gov/publication/70094644},
  note = {Source identifier: 70094644}
}