@misc{indiciae6bd4eb5fa0d0,
  title = {Stirling engine - Available tools for long-life assessment},
  author = {Halford, Gary R. and Bartolotta, Paul A.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19930029827},
  note = {Source identifier: 19930029827}
}