@misc{indiciaec6bdf8675aee,
  title = {Coronal mass ejections - 1979-1981},
  author = {Howard, R. A. and Sheeley, N. R., Jr. and Michels, D. J. and Koomen, M. J.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850067050},
  note = {Source identifier: 19850067050}
}