@misc{indiciaecb27aec8a39d,
  title = {A long-lived coronal arch system observed in X-rays},
  author = {Mcguire, J. P. and Tandberg-Hanssen, E. and Krall, K. R. and Wu, S. T. and Smith, J. B. and Speich, D. M.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770060058},
  note = {Source identifier: 19770060058}
}