@misc{indiciaecc54161f1971,
  title = {Lunar Surface Stirling Power Systems Using Am-241},
  author = {Schmitz, Paul C. and Penswick, L. Barry and Shaltens, Richard K.},
  year = {2009},
  url = {https://ntrs.nasa.gov/citations/20120016787},
  note = {Source identifier: 20120016787}
}