@misc{indiciae6dcebaa88d51,
  title = {Two classes of cosmic ray decrease},
  author = {Verschell, H. J. and Mendell, R. B. and Korff, S. A. and Roelof, E. C.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750044662},
  note = {Source identifier: 19750044662}
}