@misc{indiciaeb2cde59cd9cf,
  title = {Stirling Space Engine Program: Appendixes A, B, C and D - Volume 2},
  author = {Dhar, Manmohan},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/19990097555},
  note = {Source identifier: 19990097555}
}