@misc{indiciae531b6051780c,
  title = {High Energy Astrophysics Program (HEAP)},
  author = {Angelini, L. and Holdridge, David V. and Norris, J.},
  year = {1998},
  url = {https://ntrs.nasa.gov/citations/20020091872},
  note = {Source identifier: 20020091872}
}