@misc{indiciae9ad7974bb6a5,
  title = {Microcrater investigations on Surveyor 3 material},
  author = {Schneider, E. J. and Neukum, G. and Mehl, A. and Fechtig, H.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720019104},
  note = {Source identifier: 19720019104}
}