@misc{indiciae1fe7b0557eb7,
  title = {Free-piston stirling engine endurance test program},
  author = {Dochat, G. and Rauch, J. and Antonelli, G.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19840040077},
  note = {Source identifier: 19840040077}
}