@misc{indiciae9d32ae7eec6d,
  title = {Primary and Secondary Micrometeoroid Impact Rate on the Lunar Surface: A Direct Measurement},
  author = {D Brownlee and W Bucher and P Hodge},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720019099},
  note = {Source identifier: 19720019099}
}