@misc{indiciae8b7919ec865a,
  title = {Solar full-disk magnetic field image receiving system and observation software},
  author = {Xu, Yan and Chang-Rong, Ming and Rong, Xing},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19940018079},
  note = {Source identifier: 19940018079}
}