TY  - RPRT
TI  - Imaging the sun in hard X-rays - Spatial and rotating modulation collimators
AU  - Campbell, Jonathan W.
AU  - Davis, John M.
AU  - Emslie, A. G.
PY  - 1991
UR  - https://ntrs.nasa.gov/citations/19930050389
ID  - 19930050389
ER  -