@misc{indiciae8cbb635be737,
  title = {The high energy astronomy observatories},
  author = {Neighbors, A. K. and Doolittle, R. F. and Halpers, R. E.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770035367},
  note = {Source identifier: 19770035367}
}