@misc{indiciaed6d9082aa7b5,
  title = {ETC - A Fortran 4 program for computing the multigroup P/0/ and P/1/ elastic transfer coefficients},
  author = {Gibson, G. and Miller, M.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680002777},
  note = {Source identifier: 19680002777}
}