@misc{indiciaefccecd1bf3a7,
  title = {Near Zone: Basic scattering code user's manual with space station applications},
  author = {Marhefka, R. J. and Silvestro, J. W.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19920013395},
  note = {Source identifier: 19920013395}
}