@misc{indiciae1c3e6252e8ed,
  title = {Suprathermal ion detector experiment /Lunar ionosphere detector/},
  author = {J. W. Freeman, Jr. and H. Balsiger and H. K. Hills},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700025961},
  note = {Source identifier: 19700025961}
}