@misc{indiciaef332aeeb2476,
  title = {Nuclear rocket shielding methods, modification, updating, and input data preparation. Volume 6 - Point kernel techniques Final progress report},
  author = {Disney, R. K.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19710005692},
  note = {Source identifier: 19710005692}
}