@misc{indiciaea867c4720433,
  title = {Vertical gradients of sunspot magnetic fields},
  author = {Hagyard, M. J. and Teuber, D. and West, E. A. and Tandberg-Hanssen, E. and Henze, W., Jr. and Beckers, J. M. and Bruner, M. and Hyder, C. L. and Woodgate, B. E.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19830053059},
  note = {Source identifier: 19830053059}
}