@misc{indiciae27d355260e3a,
  title = {A preliminary shield design for a SNAP-8 power system},
  author = {Clark, M. R. and Karp, I. M. and Soffer, L.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710042111},
  note = {Source identifier: 19710042111}
}