@misc{indiciaea2c5e7d0873d,
  title = {Galactic cosmic ray observations in the distant heliosphere},
  author = {Mcdonald, F. B. and Trainor, J. H. and Van Hollebeke, M. A. I. and Lal, N. and Webber, W. R.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19810028153},
  note = {Source identifier: 19810028153}
}