@misc{indiciae2cd733c72eb4, title = {Modulation of low energy galactic cosmic rays.}, author = {Fichtel, C. E. and Guss, D. E. and Kniffen, D. A. and Neelakantan, K. A.}, year = {1964}, url = {https://ntrs.nasa.gov/citations/19660038705}, note = {Source identifier: 19660038705} }