TY  - RPRT
TI  - Solar modulation of galactic cosmic rays
AU  - Balasubrahmanyan, V. K.
AU  - Boldt, E.
AU  - Palmeira, R. A. R.
PY  - 1966
UR  - https://ntrs.nasa.gov/citations/19660020678
ID  - 19660020678
ER  -