@misc{indiciae38d62164c2f9,
  title = {Method for rock property determination in ultrahigh vacuum},
  author = {Chamberlain, P. G. and Podnieks, E. R.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19710010740},
  note = {Source identifier: 19710010740}
}