@misc{indiciae1c4e9a948448,
  title = {Concrete lunar base investigation},
  author = {Lin, T. D. and Senseny, Jonathan A. and Arp, Larry D. and Lindbergh, Charles},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930008256},
  note = {Source identifier: 19930008256}
}