@misc{indiciaef91066074158,
  title = {Volcanism in ice on Europa},
  author = {A. F. Cook and Eugene Merle Shoemaker and L. A. Soderblom and K. F. Mullins and R. Fiedler},
  year = {1982},
  url = {https://pubs.usgs.gov/publication/70226985},
  note = {Source identifier: 70226985}
}