@misc{indiciae6ddc1e6982fe,
  title = {Specific gravities of lunar materials using helium pycnometry},
  author = {Cadenhead, D. A. and Stetter, J. R.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19780062886},
  note = {Source identifier: 19780062886}
}