@misc{indiciae3569fec8a26c,
  title = {A Multigroup Method for the Calculation of Neutron Fluence with a Source Term},
  author = {Heinbockel, J. H. and Clowdsley, M. S.},
  year = {1998},
  url = {https://ntrs.nasa.gov/citations/19980219010},
  note = {Source identifier: 19980219010}
}