@misc{indiciaefb310918c5a3,
  title = {Petrology of some lithic fragments from Luna 20},
  author = {E. Roedder and P.W. Weiblen},
  year = {1973},
  doi = {10.1016/0016-7037(73)90198-1},
  url = {https://pubs.usgs.gov/publication/70010124},
  note = {Source identifier: 70010124}
}