@misc{indiciae8682372a930f,
  title = {Report from solar physics},
  author = {Walker, A. B. C. and Acton, L. and Brueckner, G. and Chupp, E. L. and Hudson, H. S. and Roberts, W.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900009019},
  note = {Source identifier: 19900009019}
}