@misc{indiciaea77f8c6d7855,
  title = {Thermal Powered Reciprocating-Force Motor},
  author = {Tatum, III, Paul F. and McDow Elliott, Amelia},
  year = {2015},
  url = {https://ntrs.nasa.gov/citations/20150003442},
  note = {Source identifier: 20150003442}
}