@misc{indiciae51cba6590f6c,
  title = {Radioisotope thermionic power supply for spacecraft},
  author = {Homeyer, W. G. and Gietzen, A. J. and Heath, C. A.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720000212},
  note = {Source identifier: 19720000212}
}