@misc{indiciaeee4ceafbae98,
  title = {Lunar shape via the Apollo laser altimeter.},
  author = {Sjogren, W. L. and Wollenhaupt, W. R.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730033421},
  note = {Source identifier: 19730033421}
}