@misc{indiciaedf3ad433ecab,
  title = {Line emission in the X-ray background},
  author = {Chubb, T. A. and Friedman, H. and Fritz, G. and Henry, R. C. and Meekins, J. F. and Shulman, S.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710047308},
  note = {Source identifier: 19710047308}
}