@misc{indiciae79f6b97e7e14,
  title = {Interplanetary radial cosmic-ray gradients and their implication for a possible large modulation effect at the heliospheric boundary},
  author = {Webber, W. R. and Lockwood, J. A.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870057197},
  note = {Source identifier: 19870057197}
}