@misc{indiciae0d0e2136e1f0,
  title = {Study of free-piston Stirling engine driven linear alternators},
  author = {Nasar, S. A. and Chen, C.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19880000973},
  note = {Source identifier: 19880000973}
}