@misc{indiciaee21c4b46b23b,
  title = {Modifications and testing of a 4-95 Stirling engine for solar applications},
  author = {Nelving, H. G. and Percival, W. H.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19830002268},
  note = {Source identifier: 19830002268}
}