@misc{indiciae6297bc2791d7,
  title = {Roentgensatellit (ROSAT)},
  author = {Guckenbiehl, F. and Ousley, G. W., Sr.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920003905},
  note = {Source identifier: 19920003905}
}