@misc{indiciae15603e399ef2,
  title = {Guide to the geology of Sudbury Basin, Ontario, Canada (Apollo 17 Training Exercise 5/23/1972-5/25/1972)},
  author = {Michael B. Dence and Eugene L. Boudette and Ivo Lucchitta},
  year = {1972},
  doi = {10.3133/ofr7287},
  url = {https://pubs.usgs.gov/publication/ofr7287},
  note = {Source identifier: ofr7287}
}