@misc{indiciaee163b76540e1,
  title = {Free-piston Stirling engine endurance test program},
  author = {Dochat, G. and Rauch, J. and Antonelli, G.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19850071551},
  note = {Source identifier: 19850071551}
}