@misc{indiciae220669d21c61,
  title = {Improved magnesia for thermal control coatings},
  author = {Levin, H. and Berggren, C. C. and Peffley, W. M.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720000423},
  note = {Source identifier: 19720000423}
}