@misc{indiciae11150f3efa6c,
  title = {Nuclear rocket shielding methods, modification, updating, and input data preparation. Volume 5 - Two-dimensional, discrete ordinates transport technique Final progress report},
  author = {Disney, R. K. and Jedruch, J. and Soltesz, R. G. and Zeigler, S. L.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19710005691},
  note = {Source identifier: 19710005691}
}