@misc{indiciae397f86507ace,
  title = {Solar modulation of galactic cosmic rays. 3: Implications of the Compton-Getting coefficient},
  author = {Fisk, L. A. and Forman, M. A. and Axford, W. I.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720018072},
  note = {Source identifier: 19720018072}
}