@misc{indiciaef26f50fe3215,
  title = {Developmental Considerations on the Free-piston Stirling Power Convertor for Use in Space},
  author = {Schreiber, Jeffrey G.},
  year = {2007},
  url = {https://ntrs.nasa.gov/citations/20070022840},
  note = {Source identifier: 20070022840}
}