@misc{indiciaed5396a9250dd,
  title = {JFLIP-JPL FORTRAN language with interval pre-processor},
  author = {Germann, D. A. and Knowlton, P. H. and Smith, H. L.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690000187},
  note = {Source identifier: 19690000187}
}