@misc{indiciae2a2465299652,
  title = {Lunar geothermal power - Some problems and potentials},
  author = {Carl F. Austin and I. Kenneth Pringle and Richard D. Fulmer},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19660026223},
  note = {Source identifier: 19660026223}
}