@misc{indiciaee6246a97e848,
  title = {X-rays from G74.9 + 1.2 - An elderly Crab Nebula},
  author = {Wilson, A. S.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19810029973},
  note = {Source identifier: 19810029973}
}