@misc{indiciae1d17e91b9ed3,
  title = {On the surface composition of Io},
  author = {Wamsteker, W. and Kroes, R. L. and Fountain, J. A.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19750031588},
  note = {Source identifier: 19750031588}
}