@misc{indiciae2e310d0d07c5,
  title = {Asteroidal regoliths - What we do not know},
  author = {Mckay, D. S. and Swindle, T. D. and Greenberg, R.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900039975},
  note = {Source identifier: 19900039975}
}