TY  - RPRT
TI  - The JPL Proton Fluence Model: An Update
AU  - Feynman, J.
AU  - Ruzmaikin, A.
AU  - Berdichevsky, V.
PY  - 1999
UR  - https://ntrs.nasa.gov/citations/20060041045
ID  - 20060041045
ER  -