@misc{indiciae2f8dd1b8642e,
  title = {Model for radon diffusion through the lunar regolith.},
  author = {Friesen, L. J. and Heymann, D.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720045329},
  note = {Source identifier: 19720045329}
}